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ISO/IEC 30147-2021信息技术 物联网 物联网系统/服务可信赖性方法学Information technology — Internet of things — Methodology for trustworthiness of IoT system/service
ISO/IEC 30147-2021信息技术 物联网 物联网系统/服务可信赖性方法学Information technology — Internet of things — Methodology for trustworthiness of IoT system/service...
2022-04-01[]浏览：8下载：0
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GB/T 6577-2021液压缸活塞用带支承环密封沟槽型式、尺寸和公差Types，dimensions and tolerances of groove for seals with bearing rings for hydraulic cylinders piston
GB/T 6577-2021液压缸活塞用带支承环密封沟槽型式、尺寸和公差Types，dimensions and tolerances of groove for seals with bearing rings for hydraulic cylinders piston...
2022-04-01[]浏览：17下载：0
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JIS Z3321-2021Stainless steel rods, wires and strip electrodes for welding
JIS Z3321-2021Stainless steel rods, wires and strip electrodes for welding...
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ISO 2929-2021Rubber hoses and hose assemblies for bulk fuel delivery by truck — Specification
ISO 2929-2021Rubber hoses and hose assemblies for bulk fuel delivery by truck — Specification...
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ASTM F3326-2021Standard Specification for Flame Mitigation Devices on Portable Fuel Containers
ASTM F3326-2021Standard Specification for Flame Mitigation Devices on Portable Fuel Containers...
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BS ISO 18650-1-2021Building construction machinery and equipment. Concrete mixers. Commercial specifications
BS ISO 18650-1-2021Building construction machinery and equipment. Concrete mixers. Commercial specifications...
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ASTM D8211-2021Standard Test Method for Hot Surface Ignition Temperature of Gases on Flat Surface
ASTM D8211-2021Standard Test Method for Hot Surface Ignition Temperature of Gases on Flat Surface...
2022-04-01[]浏览：14下载：1
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BS EN IEC 61869-13-2021Instrument transformers. Stand-alone merging unit (SAMU)
BS EN IEC 61869-13-2021Instrument transformers. Stand-alone merging unit (SAMU)...
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ABNT NBR 16969-2021Non-destructive testing - Infrared thermography - General principles
ABNT NBR 16969-2021Non-destructive testing - Infrared thermography - General principles...
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DIN EN IEC 62541-14-2021OPC unified architecture - Part 14: PubSub (IEC 62541-14:2020); English version EN IEC 62541-14:2020
DIN EN IEC 62541-14-2021OPC unified architecture - Part 14: PubSub (IEC 62541-14:2020); English version EN IEC 62541-14:2020...
2022-04-01[]浏览：9下载：0
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ISO/TS 30421-2021人力资源管理 人员流动和保留指标Human resource management — Turnover and retention metrics
ISO/TS 30421-2021人力资源管理 人员流动和保留指标Human resource management — Turnover and retention metrics...
2022-04-01[]浏览：7下载：0
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ASTM D4092-2021Standard Terminology for Plastics: Dynamic Mechanical Properties
ASTM D4092-2021Standard Terminology for Plastics: Dynamic Mechanical Properties...
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ASTM D7720-2021Standard Guide for Statistically Evaluating Measurand Alarm Limits when Using Oil Analysis to Monitor Equipment and Oil for Fitness and Contamination
ASTM D7720-2021Standard Guide for Statistically Evaluating Measurand Alarm Limits when Using Oil Analysis to Monitor Equipment and Oil for Fitness and Contamination...
2022-04-01[]浏览：9下载：0
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ISO/IEC TR 23002-8-2021信息技术 MPEG视频技术 第8部分:用客观指标评价视频编码效率实验的工作实践Information technology — MPEG video technologies — Part 8: Working practices using objective metrics for evaluation of video coding efficiency experiments
ISO/IEC TR 23002-8-2021信息技术 MPEG视频技术 第8部分:用客观指标评价视频编码效率实验的工作实践Information technology — MPEG video technologies — Part 8: Working practices using objective metrics for evaluation of video coding efficiency experiments...
2022-04-01[]浏览：8下载：0
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JT/T 258-2021长江运输船舶操纵性衡准Criteria of manoeuvability for transport ship in Yangtze River
JT/T 258-2021长江运输船舶操纵性衡准Criteria of manoeuvability for transport ship in Yangtze River...
2022-04-01[]浏览：9下载：0
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ASTM E935-2021Standard Test Methods for Performance of Permanent Metal Railing Systems and Rails for Buildings
ASTM E935-2021Standard Test Methods for Performance of Permanent Metal Railing Systems and Rails for Buildings...
2022-04-01[]浏览：9下载：0
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BS EN 1254-4-2021Copper and copper alloys. Plumbing fittings. Threaded fittings
BS EN 1254-4-2021Copper and copper alloys. Plumbing fittings. Threaded fittings...
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ISO 23468-2021反应堆技术 动力反应堆分析和测量 用傅里叶变换红外光谱法测定重水同位素纯度Reactor technology — Power reactor analyses and measurements — Determination of heavy water isotopic purity by Fourier transform infrared spectroscopy
ISO 23468-2021反应堆技术 动力反应堆分析和测量 用傅里叶变换红外光谱法测定重水同位素纯度Reactor technology — Power reactor analyses and measurements — Determination of heavy water isotopic purity by Fourier transform infrared spectroscopy...
2022-04-01[]浏览：6下载：0
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JIS C62271-200-2021A.C. metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV
JIS C62271-200-2021A.C. metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV...
2022-04-01[]浏览：9下载：0
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ASTM E466-2021Standard Practice for Conducting Force Controlled Constant Amplitude Axial Fatigue Tests of Metallic Materials
ASTM E466-2021Standard Practice for Conducting Force Controlled Constant Amplitude Axial Fatigue Tests of Metallic Materials...
2022-04-01[]浏览：8下载：0
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ISO 19111-2019/Amd 1-2021Geographic information — Referencing by coordinates — Amendment 1
ISO 19111-2019/Amd 1-2021Geographic information — Referencing by coordinates — Amendment 1...
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HG/T 5908-2021异氰酸酯行业绿色工厂评价要求Guideline for assessment of green factory in isocyanate industry
HG/T 5908-2021异氰酸酯行业绿色工厂评价要求Guideline for assessment of green factory in isocyanate industry...
2022-04-01[]浏览：4下载：0
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