GB/T 7962.23-1987

Colorless optical glass test methods Young""s modulus, torsional rigidity modulus, Poisson""s ratio

NORMA vydána dne 25.5.1987

The information about the standard:

Designation standards: GB/T 7962.23-1987
Note: NEPLATNÁ
Publication date standards: 25.5.1987
Country: Chinese technical standard
Kategorie: Technické normy GB