GB 12972.4-1991

Flexible rubber-sheathed cables for mining purposes—Part 4:Flexible coalcutter cables with indivdual metallic screens for rated voltage of 0.66/1.14kV

NORMA vydaná dňa 6.6.1991

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The information about the standard:

Designation standards: GB 12972.4-1991
Note: NEPLATNÁ
Publication date standards: 6.6.1991
Country: Chinese technical standard
Kategória: Technické normy GB