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共找到 26,254 项标准,第 706 / 1313 页

ISO 21901:2021
Thermal insulation — Test method for thermal diffusivity — Periodic heat method
现行 ICS 27 能源和热传导工程 2021 16 页 ¥1
ISO 21902:2021
Tourism and related services — Accessible tourism for all — Requirements and recommendations
现行 ICS 03 社会学、服务、公司(企业)的组织… 2021 81 页 ¥5
ISO 21903:2020
Refrigerated hydrocarbon fluids — Dynamic measurement — Requirements and guidelines for the calibration and installation of flowmeters used for liquefied natural gas (LNG) and other refrigerated hydrocarbon fluids
现行 ICS 75 石油及相关技术 2020 47 页 ¥3
ISO 21904-1:2020
Health and safety in welding and allied processes — Equipment for capture and separation of welding fume — Part 1: General requirements
现行 ICS 13 环保、保健和安全 2020 25 页 ¥2
ISO 21904-2:2020
Health and safety in welding and allied processes — Equipment for capture and separation of welding fume — Part 2: Requirements for testing and marking of separation efficiency
现行 ICS 13 环保、保健和安全 2020 14 页 ¥1
ISO 21904-3:2018
Health and safety in welding and allied processes — Requirements, testing and marking of equipment for air filtration — Part 3: Determination of the capture efficiency of on-torch welding fume extraction devices
现行 ICS 13 环保、保健和安全 2018 21 页 ¥2
ISO 21904-4:2020
Health and safety in welding and allied processes — Equipment for capture and separation of welding fume — Part 4: Determination of the minimum air volume flow rate of capture devices
现行 ICS 13 环保、保健和安全 2020 10 页 ¥1
ISO 21905:2020
Gas turbine exhaust systems with or without waste heat recovery
现行 ICS 27 能源和热传导工程 2020 96 页 ¥5
ISO 21909-1:2021
Passive neutron dosimetry systems — Part 1: Performance and test requirements for personal dosimetry
现行 ICS 13 环保、保健和安全 2021 42 页 ¥3
ISO 21909-2:2021
Passive neutron dosimetry systems — Part 2: Methodology and criteria for the qualification of personal dosimetry systems in workplaces
现行 ICS 13 环保、保健和安全 2021 32 页 ¥2
ISO 2190:2016
Granulated cork — Determination of moisture content
现行 ICS 79 木材技术 2016 4 页 ¥1
ISO 21910-1:2020
Fine bubble technology — Characterization of microbubbles — Part 1: Off-line evaluation of size index
现行 ICS 07 数学、自然科学 2020 22 页 ¥2
ISO 21911-1:2022
Solid recovered fuels — Determination of self-heating — Part 1: Isothermal calorimetry
现行 ICS 75 石油及相关技术 2022 12 页 ¥1
ISO 21912:2021
Solid recovered fuels — Safe handling and storage of solid recovered fuels
现行 ICS 75 石油及相关技术 2021 50 页 ¥3
ISO 21914:2019
Test methods for fibre-reinforced cementitious composites — Bending moment — Curvature curve by four-point bending test
现行 ICS 91 建筑材料和建筑物 2019 11 页 ¥1
ISO 21915-1:2020
Textiles — Qualitative and quantitative analysis of some cellulose fibres (lyocell, cupro) and their blends — Part 1: Fibre identification using scanning electron microscopy and spectral analysis methods
现行 ICS 59 纺织和皮革技术 2020 21 页 ¥2
ISO 21915-2:2020
Textiles — Qualitative and quantitative analysis of some cellulose fibres (lyocell, cupro) and their blends — Part 2: Blend quantification using light microscopy method
现行 ICS 59 纺织和皮革技术 2020 21 页 ¥2
ISO 21915-3:2020
Textiles — Qualitative and quantitative analysis of some cellulose fibres (lyocell, cupro) and their blends — Part 3: Blend quantification using spectral analysis method
现行 ICS 59 纺织和皮革技术 2020 11 页 ¥1
ISO 21917:2021
Anaesthetic and respiratory equipment — Voice prostheses
现行 ICS 11 医药卫生技术 2021 12 页 ¥1
ISO 21919-1:2019
Automation systems and integration — Interfaces for automated machine tending — Part 1: Overview and fundamental principles
现行 ICS 25 机械制造 2019 18 页 ¥1