GB 11439-1989

Cores for inductors and transformers for telecommunications--Part 2: Guides for the drafting of performance specifications

NORMA vydaná dňa 1.1.1989

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The information about the standard:

Designation standards: GB 11439-1989
Note: NEPLATNÁ
Publication date standards: 1.1.1989
Country: Chinese technical standard
Kategória: Technické normy GB