GB/T 4644-1984
Magnetic stripes and recording and reproducing head gaps for magnetic sound records on 16mm motion-picture film perforated along one edge--Positions and width dimensions

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Standard No.

GB/T 4644-1984

Language

Chinese

Release Date

1984

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Lastest

GB/T 4644-1984

Scope

This standard is applicable to the recording and reproduction of the magnetic vocal cord of a single 16mm magnetically coated film with one perforation on one side. This standard specifies the position and size of the magnetic sound recording and sound reproduction heads for a single 16mm magnetically coated film with one perforation on one side.

GB/T 4644-1984 history

• 1984 GB/T 4644-1984 Magnetic stripes and recording and reproducing head gaps for magnetic sound records on 16mm motion-picture film perforated along one edge--Positions and width dimensions