-
-
IEC/PAS 63313-2021Position statement on germicidal UV-C irradiation - UV-C safety guidelines
IEC/PAS 63313-2021Position statement on germicidal UV-C irradiation - UV-C safety guidelines...
2022-04-01[]浏览：13下载：1
下载 -
DIN EN ISO 22282-4-2021Geotechnical investigation and testing - Geohydraulic testing - Part 4: Pumping tests (ISO 22282-4:2021); German version EN ISO 22282-4:2021
DIN EN ISO 22282-4-2021Geotechnical investigation and testing - Geohydraulic testing - Part 4: Pumping tests (ISO 22282-4:2021); German version EN ISO 22282-4:2021...
2022-04-01[]浏览：12下载：0
下载 -
DB33/T 310012-2022长三角省际毗邻公交运营服务规范Specification for interstate public transportation service operations in the yangtze river delta
DB33/T 310012-2022长三角省际毗邻公交运营服务规范Specification for interstate public transportation service operations in the yangtze river delta...
2022-04-01[]浏览：10下载：0
下载 -
ASTM F3011-2021Standard Specification for Performance of Angle of Attack System
ASTM F3011-2021Standard Specification for Performance of Angle of Attack System...
2022-04-01[]浏览：10下载：0
下载 -
ASTM E317-2021Standard Practice for Evaluating Performance Characteristics of Ultrasonic Pulse-Echo Testing Instruments and Systems without the Use of Electronic Measurement Instruments
ASTM E317-2021Standard Practice for Evaluating Performance Characteristics of Ultrasonic Pulse-Echo Testing Instruments and Systems without the Use of Electronic Measurement Instruments...
2022-04-01[]浏览：10下载：0
下载 -
GB/T 40025-202124 GHz 车辆无线电设备射频技术要求及测试方法RF technical requirements and test methods for 24 GHz vehicle radio equipment
GB/T 40025-202124 GHz 车辆无线电设备射频技术要求及测试方法RF technical requirements and test methods for 24 GHz vehicle radio equipment...
2022-04-01[]浏览：9下载：0
下载 -
BS EN IEC 63002-2021Interoperability specifications and communication method for external power supplies used with computing and consumer electronics devices
BS EN IEC 63002-2021Interoperability specifications and communication method for external power supplies used with computing and consumer electronics devices...
2022-04-01[]浏览：9下载：0
下载 -
DB33/T 2341-2021干硬性水泥混凝土预制砌块抗压强度试验规程Sepcification for compressive strength test of dry hard cement concrete precast blocks
DB33/T 2341-2021干硬性水泥混凝土预制砌块抗压强度试验规程Sepcification for compressive strength test of dry hard cement concrete precast blocks...
2022-04-01[]浏览：8下载：0
下载 -
ASTM E2866-2021Standard Test Method for Determination of Diisopropyl Methylphosphonate, Ethyl Methylphosphonic Acid, Isopropyl Methylphosphonic Acid, Methylphosphonic Acid, and Pinacolyl Methylphosphonic Acid in Soil by Pressurized Fluid Extraction and An
ASTM E2866-2021Standard Test Method for Determination of Diisopropyl Methylphosphonate, Ethyl Methylphosphonic Acid, Isopropyl Methylphosphonic Acid, Methylphosphonic Acid, and Pinacolyl Methylphosphonic Acid in Soil by Pressurized Fluid Extraction and Analyzed by Liquid Chromatography/Tandem Mass Spectrometry...
2022-04-01[]浏览：9下载：0
下载 -
GB/T 40233-2021热环境的人类工效学 物理量测量仪器Ergonomics of the thermal environment.Instruments for measuring physical quantities
GB/T 40233-2021热环境的人类工效学 物理量测量仪器Ergonomics of the thermal environment.Instruments for measuring physical quantities...
2022-04-01[]浏览：11下载：0
下载 -
BS ISO 19264-1-2021Photography. Archiving systems. Imaging systems quality analysis. Reflective originals
BS ISO 19264-1-2021Photography. Archiving systems. Imaging systems quality analysis. Reflective originals...
2022-04-01[]浏览：11下载：0
下载 -
ISO 12017-2021Plastics — Poly(methyl methacrylate) double- and triple-skin sheets — Test methods
ISO 12017-2021Plastics — Poly(methyl methacrylate) double- and triple-skin sheets — Test methods...
2022-04-01[]浏览：5下载：0
下载 -
BS IEC 61691-6-2021Behavioural languages. VHDL Analog and Mixed-Signal Extensions
BS IEC 61691-6-2021Behavioural languages. VHDL Analog and Mixed-Signal Extensions...
2022-04-01[]浏览：9下载：0
下载 -
DIN EN ISO 20743-2021Textiles - Determination of antibacterial activity of textile products (ISO 20743:2021); German version EN ISO 20743:2021
DIN EN ISO 20743-2021Textiles - Determination of antibacterial activity of textile products (ISO 20743:2021); German version EN ISO 20743:2021...
2022-04-01[]浏览：4下载：0
下载 -
IEC 60601-2-63-2012+Amd 1-2017+Amd 2-2021Medical electrical equipment - Part 2-63- Particular requirements for the basic safety and essential performance of dental extra-oral X-ray equipment
IEC 60601-2-63-2012+Amd 1-2017+Amd 2-2021Medical electrical equipment - Part 2-63- Particular requirements for the basic safety and essential performance of dental extra-oral X-ray equipment...
2022-04-01[]浏览：9下载：1
下载 -
BS EN IEC 61326-1-2021Electrical equipment for measurement, control and laboratory use. EMC requirements. General requirements
BS EN IEC 61326-1-2021Electrical equipment for measurement, control and laboratory use. EMC requirements. General requirements...
2022-04-01[]浏览：8下载：0
下载 -
BS ISO 22085-2-2021Intelligent transport systems (ITS). Nomadic device service platform for micro mobility. Functional requirements and dataset definitions
BS ISO 22085-2-2021Intelligent transport systems (ITS). Nomadic device service platform for micro mobility. Functional requirements and dataset definitions...
2022-04-01[]浏览：8下载：0
下载 -
GA/T 1788.2-2021公安视频图像信息系统安全技术要求 第2部分:前端设备Security technical requirements for video and image information system for public security. Part 2 : Front-end device
GA/T 1788.2-2021公安视频图像信息系统安全技术要求 第2部分:前端设备Security technical requirements for video and image information system for public security. Part 2 : Front-end device...
2022-04-01[]浏览：11下载：0
下载 -
-
ASTM E3159-2021Standard Guide for General Reliability
ASTM E3159-2021Standard Guide for General Reliability...
2022-04-01[]浏览：8下载：0
下载 -
ASTM E609-2021Standard Terminology Relating to Pesticides
ASTM E609-2021Standard Terminology Relating to Pesticides...
2022-04-01[]浏览：7下载：0
下载 -
ASTM D1693-2021Standard Test Method for Environmental Stress-Cracking of Ethylene Plastics
ASTM D1693-2021Standard Test Method for Environmental Stress-Cracking of Ethylene Plastics...
2022-04-01[]浏览：8下载：0
下载 -
GB/T 40116-2021箔片轴承 气体动压径向轴承性能 静态承载能力、摩擦因数和寿命测试Foil bearings.Performance of hydrodynamic gas journal bearings.Testing of static load capacity, friction coefficient and lifetime
GB/T 40116-2021箔片轴承 气体动压径向轴承性能 静态承载能力、摩擦因数和寿命测试Foil bearings.Performance of hydrodynamic gas journal bearings.Testing of static load capacity, friction coefficient and lifetime...
2022-04-01[]浏览：12下载：0
下载
