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Database: 189760 (25 Oct 2025)
JB/T 6840-2007 English PDF
JB/T 6840: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
JB/T 6840-2007
English
319
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Reels for 70mm motion picture projectors. Dimensions
Obsolete
JB/T 6840-2007
JB/T 6840-1993
English
199
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(70mm film projectors Slide size)
Obsolete
JB/T 6840-1993
PDF similar to JB/T 6840-2007
Standard similar to JB/T 6840-2007
DY/T 8
JB/T 9429
JB/T 9428
JB/T 6839
Basic data
Standard ID
JB/T 6840-2007 (JB/T6840-2007)
Description (Translated English)
Reels for 70mm motion picture projectors. Dimensions
Sector / Industry
Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard
N42
Classification of International Standard
37.060.10
Word Count Estimation
8,898
Date of Issue
2007-03-06
Date of Implementation
2007-09-01
Older Standard (superseded by this standard)
JB/T 6840-1993
Adopted Standard
ANSI/SMPTE 241-1995, MOD
Regulation (derived from)
NDRC Notice No. 16 of 2007
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the capacity of 610m ~ 1775m, a total of six specifications of 70mm film projection film clip was size. This standard applies to 70mm film projector with film holder for closing and 70mm/35mm compatible with 35mm film projector film clip for closing.