GB/T 7962.7-1987

Colourless optical glass test methods--Examination method for extent of stria

NORMA vydána dne 20.6.1987

The information about the standard:

Designation standards: GB/T 7962.7-1987
Note: NEPLATNÁ
Publication date standards: 20.6.1987
Country: Chinese technical standard
Kategorie: Technické normy GB