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| Chinese National Standard Category: Film making equipment |
| English Title: | Location and width of the recording head gap for edge sound records on 16mm perforated magnetic film |
| Chinese Title: | 16mm磁片上一边单声轨录音磁头的隙缝位置和宽度尺寸 |
| Standard No.: | GB 7428-1987 |
| Category No.: | N41 |
| Issued by: | |
| Issued on: | |
| Implemented on: | 1987-11-1 |
| Status: | superseded |
| Superseded by: | GB/T 7428-1994 Head gaps for two sound records on 16mm magnetic film--Positions and width dimensions |
| Superseded on: | 1995-8-1 |
| Abolished on: | |
| Superseding: | |
| Word Count: | 1000 words |
| Similar Standards: | JB/T 6168-2007 JB/T 6159-2007 GY/T 215-2006 JB/T 8620-1997 JB/T 5666-1991 GB/T 13424-1992 ZB N 41001-1989 GB 7427-1987 GB 7429-1987 GB 7426-1987 GB 7428-1987 GB/T 5874-1986 |
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