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GB/T 40771-2021城市不动产三维空间要素表达Representations of 3D features of urban real estate
GB/T 40771-2021城市不动产三维空间要素表达Representations of 3D features of urban real estate...
2022-03-29[]浏览：1下载：0
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GB/Z 40839-2021假肢和矫形器 矫形器和矫形器部件的分类和描述Prosthetics and orthotics. Categorization and description of external orthoses and orthotic components
GB/Z 40839-2021假肢和矫形器 矫形器和矫形器部件的分类和描述Prosthetics and orthotics. Categorization and description of external orthoses and orthotic components...
2022-03-29[]浏览：3下载：0
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GB/Z 40842-2021电子人工喉通用技术要求General technical requirenments for electrolarynx
GB/Z 40842-2021电子人工喉通用技术要求General technical requirenments for electrolarynx...
2022-03-29[]浏览：5下载：0
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GB/Z 40847-2021认知康复训练系统通用技术条件Cognitive rehabilitation training system general technical condition
GB/Z 40847-2021认知康复训练系统通用技术条件Cognitive rehabilitation training system general technical condition...
2022-03-29[]浏览：6下载：0
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ISO 14881-2021Integrated optics — Interfaces — Parameters relevant to coupling properties
ISO 14881-2021Integrated optics — Interfaces — Parameters relevant to coupling properties...
2022-03-29[]浏览：3下载：0
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ISO 14548-2021Photography — Dimensions of glass plates
ISO 14548-2021Photography — Dimensions of glass plates...
2022-03-29[]浏览：4下载：0
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ISO 23247-4-2021自动化系统和集成 制造业数字孪生框架 第4部分:信息交换Automation systems and integration — Digital twin framework for manufacturing — Part 4: Information exchange
ISO 23247-4-2021自动化系统和集成 制造业数字孪生框架 第4部分:信息交换Automation systems and integration — Digital twin framework for manufacturing — Part 4: Information exchange...
2022-03-29[]浏览：7下载：0
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ISO 11807-1-2021Integrated optics — Vocabulary — Part 1: Optical waveguide basic terms and symbols
ISO 11807-1-2021Integrated optics — Vocabulary — Part 1: Optical waveguide basic terms and symbols...
2022-03-29[]浏览：7下载：0
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ISO 11807-2-2021Integrated optics — Vocabulary — Part 2: Terms used in classification
ISO 11807-2-2021Integrated optics — Vocabulary — Part 2: Terms used in classification...
2022-03-29[]浏览：5下载：0
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ISO 14229-2-2021Road vehicles — Unified diagnostic services (UDS) — Part 2: Session layer services
ISO 14229-2-2021Road vehicles — Unified diagnostic services (UDS) — Part 2: Session layer services...
2022-03-29[]浏览：10下载：0
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ISO 15876-3-2017/Amd 2-2021Plastics piping systems for hot and cold water installations — Polybutene (PB) — Part 3: Fittings — Amendment 2
ISO 15876-3-2017/Amd 2-2021Plastics piping systems for hot and cold water installations — Polybutene (PB) — Part 3: Fittings — Amendment 2...
2022-03-29[]浏览：8下载：0
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ISO 15875-3-2003/Amd 2-2021Plastics piping systems for hot and cold water installations — Crosslinked polyethylene (PE-X) — Part 3: Fittings — Amendment 2
ISO 15875-3-2003/Amd 2-2021Plastics piping systems for hot and cold water installations — Crosslinked polyethylene (PE-X) — Part 3: Fittings — Amendment 2...
2022-03-29[]浏览：5下载：0
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ISO 15874-3-2013/Amd 2-2021Plastics piping systems for hot and cold water installations — Polypropylene (PP) — Part 3: Fittings — Amendment 2
ISO 15874-3-2013/Amd 2-2021Plastics piping systems for hot and cold water installations — Polypropylene (PP) — Part 3: Fittings — Amendment 2...
2022-03-29[]浏览：5下载：0
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ISO 3834-5-2021Quality requirements for fusion welding of metallic materials — Part 5: Documents with which it is necessary to conform to claim conformity to the quality requirements of ISO 3834-2, ISO 3834-3 or ISO 3834-4
ISO 3834-5-2021Quality requirements for fusion welding of metallic materials — Part 5: Documents with which it is necessary to conform to claim conformity to the quality requirements of ISO 3834-2, ISO 3834-3 or ISO 3834-4...
2022-03-29[]浏览：3下载：0
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ISO 24045-2021船舶和海上技术 可调滚轮式链条止动器Ships and marine technology — Adjustable roller-type chain stoppers
ISO 24045-2021船舶和海上技术 可调滚轮式链条止动器Ships and marine technology — Adjustable roller-type chain stoppers...
2022-03-29[]浏览：6下载：0
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ISO 9286-2021Abrasive grains and crude — Chemical analysis of silicon carbide
ISO 9286-2021Abrasive grains and crude — Chemical analysis of silicon carbide...
2022-03-29[]浏览：11下载：0
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ISO/IEC 18181-2-2021信息技术 JPEG XL 图像编码系统 第2部分:文件格式Information technology — JPEG XL image coding system — Part 2: File format
ISO/IEC 18181-2-2021信息技术 JPEG XL 图像编码系统 第2部分:文件格式Information technology — JPEG XL image coding system — Part 2: File format...
2022-03-29[]浏览：9下载：0
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ISO 23826-2021气瓶 球阀 规范和测试Gas cylinders — Ball valves — Specification and testing
ISO 23826-2021气瓶 球阀 规范和测试Gas cylinders — Ball valves — Specification and testing...
2022-03-29[]浏览：9下载：0
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ISO/TS 22107-2021液体中固体颗粒的分散性Dispersibility of solid particles into a liquid
ISO/TS 22107-2021液体中固体颗粒的分散性Dispersibility of solid particles into a liquid...
2022-03-29[]浏览：6下载：0
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IEC/TR 60747-5-12-2021Semiconductor devices - Part 5-12: Optoelectronic devices - Light emitting diodes - Test method of LED efficiencies
IEC/TR 60747-5-12-2021Semiconductor devices - Part 5-12: Optoelectronic devices - Light emitting diodes - Test method of LED efficiencies...
2022-03-29[]浏览：13下载：1
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IEC 61850-7-420-2021Communication networks and systems for power utility automation - Part 7-420: Basic communication structure - Distributed energy resources and distribution automation logical nodes
IEC 61850-7-420-2021Communication networks and systems for power utility automation - Part 7-420: Basic communication structure - Distributed energy resources and distribution automation logical nodes...
2022-03-29[]浏览：10下载：1
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IEC 62885-2-2021Surface cleaning appliances - Part 2: Dry vacuum cleaners for household or similar use - Methods for measuring the performance
IEC 62885-2-2021Surface cleaning appliances - Part 2: Dry vacuum cleaners for household or similar use - Methods for measuring the performance...
2022-03-29[]浏览：15下载：1
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IEC/TS 63042-202-2021UHV AC transmission systems - Part 202: UHV AC transmission line design
IEC/TS 63042-202-2021UHV AC transmission systems - Part 202: UHV AC transmission line design...
2022-03-29[]浏览：10下载：1
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