GB/T 10574.7-1989

Tin-lead solders--Determination of copper content--2,9-dimethyl-1,10-phenanthroline spetrophotometric method

NORMA vydána dne 22.3.1989

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The information about the standard:

Designation standards: GB/T 10574.7-1989
Note: NEPLATNÁ
Publication date standards: 22.3.1989
Country: Chinese technical standard
Kategorie: Technické normy GB