GB/T 31.1-1988

Hexagon bolts with split pin hole on shank—Product grade A and B

NORMA vydána dne 23.6.1988

The information about the standard:

Designation standards: GB/T 31.1-1988
Note: NEPLATNÁ
Publication date standards: 23.6.1988
Country: Chinese technical standard
Kategorie: Technické normy GB