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Chinese National Standard Category: Projection equipment and its accessory

English Title: Intermittent Sprockets for 16mm Motion-picture Projectors - Tooth Profiles, Dimension and Precision
Chinese Title: 16mm电影放映机间歇齿轮齿形、主要尺寸和精度
Standard No.: JB/T 9421-1999
Category No.: N42
Issued by:
Issued on: 1999-08-06
Implemented on: 2000-1-1
Status: superseded
Superseded by:JB/T 9421-2010 Intermittent sprockets for 16mm motion-picture projectors-tooth profiles dimension and precision
Superseded on:2010-7-1
Abolished on:
Superseding:ZB Y 016-1981
ZB Y 016-1981
Word Count:1000 words
Similar Standards: GB 10976-1989   GB/T 19896-2005   GB/T 19895.1-2005   GB/T 13982-2022   GB/T 32145-2015   GB/T 32143-2015   GB/T 32144-2015   GB/T 32200-2015   GB/T 13982-2011/XG1-2015   JB/T 9425-2011   JB/T 9424-2011   JB/T 11090-2011   JB/T 9419-2011   JB/T 6839-2011   JB/T 9418-2011   GB/T 13982-2011   GB/T 27507-2011   JB/T 10976-2010   JB/T 9420-2010   JB/T 9421-2010  
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