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共找到 26,254 项标准,第 689 / 1313 页

ISO 21334:2022
Titanium and titanium alloys — Strip for welded tubes — Technical delivery conditions
现行 ICS 77 冶金 2022 12 页 ¥1
ISO 21338:2010
Water quality — Kinetic determination of the inhibitory effects of sediment, other solids and coloured samples on the light emission of Vibrio fischeri (kinetic luminescent bacteria test)
现行 ICS 13 环保、保健和安全 2010 21 页 ¥2
ISO 21339:2023
6Al-4V titanium alloys — Determination of aluminium and vanadium contents — Inductively coupled plasma atomic emission spectrometric method
现行 ICS 77 冶金 2023 11 页 ¥1
ISO 21340:2017
Test methods for fibrous activated carbon
现行 ICS 59 纺织和皮革技术 2017 34 页 ¥2
ISO 21342:2019
Synchronous belt drives — Automotive belts and pulleys
现行 ICS 21 机械系统和通用件 2019 20 页 ¥1
ISO 21347:2005
Space systems — Fracture and damage control
现行 ICS 49 航空器和航天器工程 2005 20 页 ¥1
ISO 21348:2007
Space environment (natural and artificial) — Process for determining solar irradiances
现行 ICS 49 航空器和航天器工程 2007 12 页 ¥1
ISO 21349:2023
Space systems — Project reviews
现行 ICS 49 航空器和航天器工程 2023 19 页 ¥1
ISO 21350:2023
Space systems — Off-the-shelf item utilization
现行 ICS 49 航空器和航天器工程 2023 15 页 ¥1
ISO 21351:2005
Space systems — Functional and technical specifications
现行 ICS 49 航空器和航天器工程 2005 17 页 ¥1
ISO 21358:2020
Vacuum technology — Right-angle valve — Dimensions and interfaces for pneumatic actuator
现行 ICS 23 流体系统和通用件 2020 3 页 ¥1
ISO 2135:2024
Anodizing of aluminium and its alloys — Accelerated test of light fastness of coloured anodic oxidation coatings using artificial light
现行 ICS 25 机械制造 2024 7 页 ¥1
ISO 21360-1:2020
Vacuum technology — Standard methods for measuring vacuum-pump performance — Part 1: General description
现行 ICS 23 流体系统和通用件 2020 28 页 ¥2
ISO 21360-2:2020
Vacuum technology — Standard methods for measuring vacuum-pump performance — Part 2: Positive displacement vacuum pumps
现行 ICS 23 流体系统和通用件 2020 16 页 ¥1
ISO 21360-3:2019
Vacuum technology — Standard methods for measuring vacuum pump performance — Part 3: Specific parameters for mechanical booster vacuum pumps
现行 ICS 23 流体系统和通用件 2019 14 页 ¥1
ISO 21360-4:2018
Vacuum technology — Standard methods for measuring vacuum-pump performance — Part 4: Turbomolecular vacuum pumps
现行 ICS 23 流体系统和通用件 2018 10 页 ¥1
ISO 21360-5:2023
Vacuum technology — Standard methods for measuring vacuum-pump performance — Part 5: Non-evaporable getter (NEG) vacuum pumps
现行 ICS 23 流体系统和通用件 2023 27 页 ¥2
ISO 21360-6:2023
Vacuum technology — Standard methods for measuring vacuum-pump performance — Part 6: Cryogenic vacuum pumps
现行 ICS 23 流体系统和通用件 2023 12 页 ¥1
ISO 21363:2020
Nanotechnologies — Measurements of particle size and shape distributions by transmission electron microscopy
现行 ICS 07 数学、自然科学 2020 83 页 ¥5
ISO 21365:2019
Soil quality — Conceptual site models for potentially contaminated sites
现行 ICS 13 环保、保健和安全 2019 40 页 ¥2