GB 9621.4-1988

(Analytical methods for electronic devices nickel bronze and gold solder. Determination of phosphorus phosphorus molybdenum blue spectrophotometric)

NORMA vydaná dňa 1.1.1988

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The information about the standard:

Designation standards: GB 9621.4-1988
Note: NEPLATNÁ
Publication date standards: 1.1.1988
Country: Chinese technical standard
Kategória: Technické normy GB