GB/T 1990-1980

The dimension and position of the holes of perforated paper tape for information processing exchange

NORMA vydaná dňa 10.7.1980

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The information about the standard:

Designation standards: GB/T 1990-1980
Note: NEPLATNÁ
Publication date standards: 10.7.1980
Country: Chinese technical standard
Kategória: Technické normy GB