NORMSERVIS s.r.o.

GB/T 12690.14-1990

Lanthanum oxide, cerium oxide, neodymium oxide, gadolinium oxide--Determination of cobalt, iron, manganese, nichel, copper, ckromium, lead and zinc in oxides contents--Emission spectrographic method

NORMA vydaná dňa 1.1.1990

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The information about the standard:

Designation standards: GB/T 12690.14-1990
Note: NEPLATNÁ
Publication date standards: 1.1.1990
Country: Chinese technical standard
Kategória: Technické normy GB