GB/T 7440-1987

Calculating methods and measuring methods for transmission parameters of open-wire communication lines

NORMA vydaná dňa 16.3.1987

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The information about the standard:

Designation standards: GB/T 7440-1987
Note: NEPLATNÁ
Publication date standards: 16.3.1987
Country: Chinese technical standard
Kategória: Technické normy GB