GB/T 7974-1987

Paper and board--Measurement of brightness (Diff/o-Geometry)

NORMA vydaná dňa 26.6.1987

The information about the standard:

Designation standards: GB/T 7974-1987
Note: NEPLATNÁ
Publication date standards: 26.6.1987
Country: Chinese technical standard
Kategória: Technické normy GB