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Database: 189760 (18 Oct 2025)
JB/T 6837-2007 English PDF
JB/T 6837: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
JB/T 6837-2007
English
239
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3 days [Need to translate]
Sprocket 70mm motion picture projectors. Dimensions
Obsolete
JB/T 6837-2007
JB/T 6837-1993
English
199
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2 days [Need to translate]
(70mm film projector sprocket size)
Obsolete
JB/T 6837-1993
PDF similar to JB/T 6837-2007
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JB/T 13325
JB/T 13324
Basic data
Standard ID
JB/T 6837-2007 (JB/T6837-2007)
Description (Translated English)
Sprocket 70mm motion picture projectors. Dimensions
Sector / Industry
Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard
J17;N42
Classification of International Standard
37.060.10
Word Count Estimation
6,637
Date of Issue
2007-03-06
Date of Implementation
2007-09-01
Older Standard (superseded by this standard)
JB/T 6837-1993
Quoted Standard
HG/T 2695
Regulation (derived from)
NDRC Notice No. 16 of 2007
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the 70mm film projector intermittent gear for film gear, take-up gear and integrated gear tooth, teeth and main dimensions. This standard applies to 70mm five and eight Perforation Perforation cinema projectors used sprocket.