GB/T 3609.2-1983

Methods of non-optical test for welding goggles and mask

NORMA vydána dne 15.4.1983

The information about the standard:

Designation standards: GB/T 3609.2-1983
Note: NEPLATNÁ
Publication date standards: 15.4.1983
Country: Chinese technical standard
Kategorie: Technické normy GB