gb+t+31975+

gb+t+31975+, Total:5 items.

The international standard classification for "gb+t+31975+" includes: Respiratory protective devices , Electrical engineering in general .

The Chinese standard classification for "gb+t+31975+" includes: Articles for labor protection , Basic standards and general methods .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

• GB/T 31975-2015 Technical requirements of compressed air for respiratory protection
• GB/T 20295-2006 Application of GB/T4728.12 and GB/T4728.13 standards
• GB/Z 37839-2019 Information model covering the contents of GB/T 5094.1 and GB/T 5094.2,GB/T 16679, GB/T 18656 and GB/T 16901.3

未注明发布机构

• GB/T 30842:2014

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

Others: gb+t+31975+