NB/T 47038-2019
Constant force spring support hanger (English Version)
- Standard No.
- NB/T 47038-2019
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Energy
- Latest
- NB/T 47038-2019
NB/T 47038-2019 history
- 1970 NB/T 47038-2019 Constant force spring support hanger
- 2013 NB/T 47038-2013 Constant spring support and hanger
- 1999 JB/T 8130.1-1999 Constant suppor spring hangers
