GB/T 7974-1987

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

NORMA vydána dne 26.6.1987

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The information about the standard:

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