首页 / 标准检索
标准检索
共找到 26,879 项标准,第 728 / 1344 页
ISO 21927-3:2021
Smoke and heat control systems — Part 3: Specifications for powered smoke and heat exhaust ventilators
现行
ICS 13 环保、保健和安全
2021
70 页
¥5
ISO 21927-4:2019
Smoke and heat control systems — Part 4: Natural smoke and heat exhaust ventilators — Design, requirements and installation
现行
ICS 13 环保、保健和安全
2019
16 页
¥1
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