gb/t21447-2018
gb/t21447-2018, Total:3 items.
The international standard classification for "gb/t21447-2018" includes: Petroleum products and natural gas handling equipment , Safety of machinery .
The Chinese standard classification for "gb/t21447-2018" includes: Oil and gas gathering and transportation equipment , Hygiene, safety and labor protection .
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 21447-2018 Specifications for steel pipeline external corrosion control
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 21447-2008 Specification for external corrosion control for steel pipeline
国家市场监督管理总局、中国国家标准化管理委员会
- GB/T 35081-2018 Safety of machinery—Relationship of GB/T 16855.1 to GB/T 15706
gb11896gb11896,gb11896gb11896gb11896,GB 4309,gb 18834,GB 6740,GB2011-1987+GB+,GB/t GB267,gb50976gb50976,gb/t5293gb,gb gb30000.29,GB 26465 GB/t 26465,gb/t70 gb/,The relationship between gb/t and gb,GB/s and GB/s,GB/s and GB/s,GB/s and GB/s,gb/t34667gb,gb gb 36600,gb1859gb1859,gb gb30000.13
