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Chinese National Standard Category: Lens |
English Title: | Method for measuring the focal length of camera lenses |
Chinese Title: | 照相镜头焦距的测量方法 |
Standard No.: | JB/T 8248.5-1999 |
Category No.: | N43 |
Issued by: | 国家机械工业局 |
Issued on: | 1999-8-10 |
Implemented on: | 2000-1-1 |
Status: | valid |
Superseded by: | |
Superseded on: | |
Abolished on: | |
Superseding: | JB/T 8248.5-1995GB |
Word Count: | 2000 words |
Similar Standards: | GB 8347-1987 GB 11156-1989 GB 9219-1988 JB/T 5668-2014 GB/T 29297-2012 JB/T 9426.1-2011 JB/T 9426.6-2011 JB/T 9426.3-2011 JB/T 9426.5-2011 JB/T 9426.2-2011 JB/T 9426.4-2011 GB/T 27510-2011 JB/T 9408-2010 JB/T 9409-2010 JB/T 9407-2010 GB/T 9917.2-2008 JB/T 5378-2007 JB/T 7464-2007 JB/T 1787-2006 JB/T 1786-2005 |
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