GBT221
GBT221, Total:4 items.
The international standard classification for "GBT221" includes: Iron and steel products in general .
The Chinese standard classification for "GBT221" includes: Steel and iron products in general .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 221-2008 Notations for designation of iron and steel
- GB/T 221-1979 Notations for markings of iron and steel products
- GB/T 221-2000 Notations for designations of iron and steel
- GB/T 221-2008(英文版) Notations for designations of iron and steel
astm b221,gb221-1979,astm +b221,iec 60050-221,astm b221+,Type 221,CJ T 221,uni 221,uni221,pas 221,uni+221,cjj 221-2015,uni 221 spline,mo221,cjj 221,CJ/T 221,GBT221,GBT221-1979,GB/T 221-2000,GBT221-2008
