GB/T 12938-1991

Determination of thiosulphate and other related residual chemicals in processed photographic materials--Iodine-amylosemethylene blue and silver sulphide densito-metric methods

NORMA vydaná dňa 22.5.1991

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The information about the standard:

Designation standards: GB/T 12938-1991
Publication date standards: 22.5.1991
Country: Chinese technical standard
Kategória: Technické normy GB