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ISO 21927-5:2018
Smoke and heat control systems — Part 5: Powered smoke exhaust systems — Requirements and design
现行 ICS 13 环保、保健和安全 2018 14 页 ¥1
ISO 21927-7:2017
Smoke and heat control systems — Part 7: Smoke ducts sections
现行 ICS 13 环保、保健和安全 2017 11 页 ¥1
ISO 21927-8:2017
Smoke and heat control systems — Part 8: Smoke control dampers
现行 ICS 13 环保、保健和安全 2017 17 页 ¥1
ISO 21927-9:2012
Smoke and heat control systems — Part 9: Specification for control equipment
现行 ICS 13 环保、保健和安全 2012 63 页 ¥5
ISO 21928-2:2023
Sustainability in buildings and civil engineering works — Sustainability indicators — Part 2: Framework for the development of indicators for civil engineering works
现行 ICS 91 建筑材料和建筑物 2023 85 页 ¥5
ISO 21929-1:2011
Sustainability in building construction — Sustainability indicators — Part 1: Framework for the development of indicators and a core set of indicators for buildings
现行 ICS 91 建筑材料和建筑物 2011 39 页 ¥2
ISO 21930:2017
Sustainability in buildings and civil engineering works — Core rules for environmental product declarations of construction products and services
现行 ICS 91 建筑材料和建筑物 2017 80 页 ¥5
ISO 21931-1:2022
Sustainability in buildings and civil engineering works — Framework for methods of assessment of the environmental, social and economic performance of construction works as a basis for sustainability assessment — Part 1: Buildings
现行 ICS 91 建筑材料和建筑物 2022 57 页 ¥3
ISO 21931-2:2019
Sustainability in buildings and civil engineering works — Framework for methods of assessment of the environmental, social and economic performance of construction works as a basis for sustainability assessment — Part 2: Civil engineering works
现行 ICS 93 土木工程 2019 25 页 ¥2
ISO 21939-1:2019
A method to calculate and express energy consumption of industrial wastewater treatment for the purpose of water reuse — Part 1: Biological processes
现行 ICS 13 环保、保健和安全 2019 12 页 ¥1
ISO 21939-2:2023
Method to calculate and express energy consumption of industrial wastewater treatment for the purpose of water reuse — Part 2: Accounting for energy recovery
现行 ICS 13 环保、保健和安全 2023 12 页 ¥1
ISO 21940-11:2016/Amd 1:2022
Mechanical vibration — Rotor balancing — Part 11: Procedures and tolerances for rotors with rigid behaviour — Amendment 1
现行 ICS 21 机械系统和通用件 2016 3 页 ¥1
ISO 21940-12:2016
Mechanical vibration — Rotor balancing — Part 12: Procedures and tolerances for rotors with flexible behaviour
现行 ICS 21 机械系统和通用件 2016 33 页 ¥2
ISO 21940-13:2012
Mechanical vibration — Rotor balancing — Part 13: Criteria and safeguards for the in-situ balancing of medium and large rotors
现行 ICS 21 机械系统和通用件 2012 23 页 ¥2
ISO 21940-14:2012/Amd 1:2022
Mechanical vibration — Rotor balancing — Part 14: Procedures for assessing balance errors — Amendment 1
现行 ICS 21 机械系统和通用件 2012 1 页 ¥1
ISO 21940-1:2019
Mechanical vibration — Rotor balancing — Part 1: Introduction
现行 ICS 21 机械系统和通用件 2019 30 页 ¥2
ISO 21940-21:2022
Mechanical vibration — Rotor balancing — Part 21: Description and evaluation of balancing machines
现行 ICS 21 机械系统和通用件 2022 62 页 ¥5
ISO 21940-23:2012
Mechanical vibration — Rotor balancing — Part 23: Enclosures and other protective measures for the measuring station of balancing machines
现行 ICS 21 机械系统和通用件 2012 23 页 ¥2
ISO 21940-2:2017
Mechanical vibration — Rotor balancing — Part 2: Vocabulary
现行 ICS 21 机械系统和通用件 2017 23 页 ¥2
ISO 21940-31:2013
Mechanical vibration — Rotor balancing — Part 31: Susceptibility and sensitivity of machines to unbalance
现行 ICS 21 机械系统和通用件 2013 19 页 ¥1