GB/T 12823-1991

Terms, symbols, coordinate system and functional notations for photographic density measurements

NORMA vydaná dňa 30.4.1991

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The information about the standard:

Designation standards: GB/T 12823-1991
Note: NEPLATNÁ
Publication date standards: 30.4.1991
Country: Chinese technical standard
Kategória: Technické normy GB