| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 4639-1984 | English | RFQ |
ASK
|
Days<=3
|
35mm negative photographic sound record on 35mm motion picture film--Positions and width dimensions
|
GB/T 4639-1984
| Obsolete |
GB/T 4639-1984
|