gb+t+21448-2017
gb+t+21448-2017, Total:5 items.
The international standard classification for "gb+t+21448-2017" includes: Petroleum products and natural gas handling equipment , Industrial automation systems .
The Chinese standard classification for "gb+t+21448-2017" includes: Oil and gas gathering and transportation equipment , Industrial automation and control device in general .
未注明发布机构
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会
- GB/T 20438.6-2017 Functional safety of electrical/electronic/programmable electronic safety-related systems―Part 6:Guidelines on the application of GB/T 20438.2 and GB/T 20438.3
- GB/T 21448-2017 Specification of cathodic protection for underground steel pipelines
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 4208-2017/XG1-2024 Enclosure protection level (IP code) "Amendment No. 1" GB/T 4208-2017
CN-STDBOOK
- 图书 3-9486 Interpretation of GB/T 32862-2016, GB/T 32863-2016, GB/T 34543-2017, GB/T 34545-2017 Gem Grading National Standards
