GB/T 1231-1991

Specifications of high strength bolts with large hexagon head, large hexagon nuts, plain washers for steel structures

STANDARD published on 22.4.1991

English, Chinese -
electronic design (pdf) (448.80 USD)

The information about the standard:

Designation standards: GB/T 1231-1991
Note: WITHDRAWN
Publication date standards: 22.4.1991
Country: Chinese technical standard
Category: Technical standards GB