JB/T 6840-1993
70mm movie projector clip size (English Version)
- Standard No.
- JB/T 6840-1993
- Language
- Chinese, Available in English version
- Release Date
- 1993
- Published By
- Professional Standard - Machinery
- Status
- 2007-09
- Replace By
- JB/T 6840-2007
- Latest
- JB/T 6840-2007
- Scope
- This standard specifies the dimensions of film retractors for 70mm cine radiographers and 35mm film retractors for 70/35mm compatible cine radiographers. This standard applies to 70mm and 70/35mm compatible cinema projectors that use film holders to load films and transport films vertically.
JB/T 6840-1993 history
- 2007 JB/T 6840-2007 Reels for 70mm motion picture projectors. Dimensions
- 1993 JB/T 6840-1993 70mm movie projector clip size
