GB/T 2020-1980

Recording magnetic tape with 9 magnetic tracks 12.7mm width and 32 lines/mm for informationprocessing exchange

NORMA vydána dne 10.9.1980

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The information about the standard:

Designation standards: GB/T 2020-1980
Publication date standards: 10.9.1980
Country: Chinese technical standard
Kategorie: Technické normy GB