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ABNT NBR 14891-2021Vertical traffic signs
ABNT NBR 14891-2021Vertical traffic signs...
2022-03-31[]浏览：12下载：0
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BS EN 10217-7-2021Welded steel tubes for pressure purposes. Technical delivery conditions. Stainless steel tubes
BS EN 10217-7-2021Welded steel tubes for pressure purposes. Technical delivery conditions. Stainless steel tubes...
2022-03-31[]浏览：9下载：0
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ISO 21077-2021Space data and information transfer systems — Digital motion imagery
ISO 21077-2021Space data and information transfer systems — Digital motion imagery...
2022-03-31[]浏览：7下载：0
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JTG 3223-2021公路工程地质原位测试规程Code for In-situ Testing of Highway Engineering Geology
JTG 3223-2021公路工程地质原位测试规程Code for In-situ Testing of Highway Engineering Geology...
2022-03-31[]浏览：12下载：0
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NF ISO 26623-1-2021Polygonal taper interface with flange contact surface - Part 1 : dimensions and designation of shanks
NF ISO 26623-1-2021Polygonal taper interface with flange contact surface - Part 1 : dimensions and designation of shanks...
2022-03-31[]浏览：9下载：0
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ISO 22197-4-2021Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for air-purification performance of semiconducting photocatalytic materials — Part 4: Removal of formaldehyde
ISO 22197-4-2021Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for air-purification performance of semiconducting photocatalytic materials — Part 4: Removal of formaldehyde...
2022-03-31[]浏览：9下载：0
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QB/T 2629-2021碱性锌-二氧化锰电池用电解二氧化锰Electrolytic manganese dioxide for alkaline zinc-manganese dioxide battery
QB/T 2629-2021碱性锌-二氧化锰电池用电解二氧化锰Electrolytic manganese dioxide for alkaline zinc-manganese dioxide battery...
2022-03-31[]浏览：4下载：0
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ABNT NBR IEC 62232-2021Determination of RF field strength, power density and SAR in the vicinity of radiocommunication base stations for the purpose of evaluating human exposure
ABNT NBR IEC 62232-2021Determination of RF field strength, power density and SAR in the vicinity of radiocommunication base stations for the purpose of evaluating human exposure...
2022-03-31[]浏览：8下载：0
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JIS A1193-2021Test method for alkali resistance of fiber reinforced polymer (FRP) bars and grids for reinforcement of concrete
JIS A1193-2021Test method for alkali resistance of fiber reinforced polymer (FRP) bars and grids for reinforcement of concrete...
2022-03-31[]浏览：7下载：0
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ISO 6452-2021Rubber- or plastics-coated fabrics — Determination of fogging characteristics of trim materials in the interior of automobiles
ISO 6452-2021Rubber- or plastics-coated fabrics — Determination of fogging characteristics of trim materials in the interior of automobiles...
2022-03-31[]浏览：7下载：0
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DIN 55473-2021Auxiliary means of packaging - Desiccant in bag - Technical delivery conditions
DIN 55473-2021Auxiliary means of packaging - Desiccant in bag - Technical delivery conditions...
2022-03-31[]浏览：3下载：0
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QB/T 5618-2021办公椅体压分布测量方法Measuring method for body pressure distribution of office chair
QB/T 5618-2021办公椅体压分布测量方法Measuring method for body pressure distribution of office chair...
2022-03-31[]浏览：11下载：0
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IEC 63186-2021Nuclear power plants - Instrumentation and control systems important to safety - Criteria for seismic trip system
IEC 63186-2021Nuclear power plants - Instrumentation and control systems important to safety - Criteria for seismic trip system...
2022-03-31[]浏览：12下载：1
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DB33/T 2355-2021城管驿站建设与管理规范Specification for construction and management of city administration station
DB33/T 2355-2021城管驿站建设与管理规范Specification for construction and management of city administration station...
2022-03-31[]浏览：5下载：0
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ISO 23592-2021卓越服务 原则和模式Service excellence — Principles and model
ISO 23592-2021卓越服务 原则和模式Service excellence — Principles and model...
2022-03-31[]浏览：9下载：0
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BS ISO 22547-2021Ships and marine technology. Performance test procedures for high-pressure pumps in LNG fuel gas supply systems (FGSS) for ships
BS ISO 22547-2021Ships and marine technology. Performance test procedures for high-pressure pumps in LNG fuel gas supply systems (FGSS) for ships...
2022-03-31[]浏览：10下载：0
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HG/T 5902-2021化学制药行业绿色工厂评价要求Requirements for assessment of green factory in chemical pharmaceutical industry
HG/T 5902-2021化学制药行业绿色工厂评价要求Requirements for assessment of green factory in chemical pharmaceutical industry...
2022-03-31[]浏览：9下载：0
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TB/T 3567-2021铁路车辆轴承塑料保持架Plastic cage for rolling bearing of railway vehicle
TB/T 3567-2021铁路车辆轴承塑料保持架Plastic cage for rolling bearing of railway vehicle...
2022-03-31[]浏览：14下载：0
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ASTM D3420-2021Standard Test Method for Pendulum Impact Resistance of Plastic Film
ASTM D3420-2021Standard Test Method for Pendulum Impact Resistance of Plastic Film...
2022-03-30[]浏览：6下载：0
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ISO/IEC/IEEE 8802-1AE-2020/Cor 1-2021通信和信息技术系统之间的交换 局域网和城域网的要求 第1AE:媒体访问控制(MAC)安全性 技术勘误1:标签控制信息图Telecommunications and exchange between information technology systems — Requirements for local and metropolitan area networks — Part 1AE: Media access cont
ISO/IEC/IEEE 8802-1AE-2020/Cor 1-2021通信和信息技术系统之间的交换 局域网和城域网的要求 第1AE:媒体访问控制(MAC)安全性 技术勘误1:标签控制信息图Telecommunications and exchange between information technology systems — Requirements for local and metropolitan area networks — Part 1AE: Media access control (MAC) security — Technical Corrigendum 1: Information technology — Telecommunications and exchange between information technology systems — Requirements for local and metropolitan area networks — Part 1AE: Media access control (MAC) security —TECHNICAL CORRIGENDUM 1: Tag control information figure...
2022-03-30[]浏览：9下载：0
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ISO 14737-2021Carbon and low alloy cast steels for general applications
ISO 14737-2021Carbon and low alloy cast steels for general applications...
2022-03-30[]浏览：11下载：0
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AIA/NAS NAS984-2021Numerically Controlled Milling Machines, Knee And Bed Type, Horizontal And Vertical - Rev 3
AIA/NAS NAS984-2021Numerically Controlled Milling Machines, Knee And Bed Type, Horizontal And Vertical - Rev 3...
2022-03-30[]浏览：5下载：0
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