GB/T 4697-1991

Hot-rolled U-type steel for mine timbering

STANDARD published on 13.12.1991

English, Chinese -
electronic design (pdf) (398.80 USD)

The information about the standard:

Designation standards: GB/T 4697-1991
Note: WITHDRAWN
Publication date standards: 13.12.1991
Country: Chinese technical standard
Category: Technical standards GB