GB 4637-1984

Recording and reproducing head gaps for monophonic and three magnetic sound records on 35mm motion-picture film--Positions and width dimensions

NORMA vydána dne 1.1.1984

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The information about the standard:

Designation standards: GB 4637-1984
Note: NEPLATNÁ
Publication date standards: 1.1.1984
Country: Chinese technical standard
Kategorie: Technické normy GB