GB/T 3320.2-1982
Abolished
GB/T 7428-1994
Abolished
National standards
GB/T 7428-1994 Head gaps for two sound records on 16mm magnetic film—Positions and width dimensions
GB/T 7428-1994 Head gaps for two sound records on 16mm magnetic film—Positions and width dimensions
Basic Information
Standard Code:
GB/T 7428-1994
Standard Type:
National standards
Standard Status:
Abolished
is_force_gb:
no
CCS Name:
Films and photography techniques
ICS Name:
Audio system
Publish Date:
1994-12-28
Implement Date:
1995-08-01
Pages:
8 pages
Development Information
Replace the following standards
GB 7427-1987
GB 7428-1987
GB 7429-1987
Adopt standards
ISO 4242-80
Related Standards
GB/T 3320.3-1982
Abolished
GB/T 3320.3-1982 Wow and flutter test record
GB/T 3320.4-1982
Abolished
GB/T 3320.4-1982 Rumble measurement test record
GB/T 5440-1985
Abolished
GB/T 5440-1985 Stereophonic broadcast magnetic recorder
GB/T 6448-1986
Replaced
GB/T 6448-1986 Methods of measurement for artificial reverberation equipment
GB/T 6449-1986
Replaced