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Chinese National Standard Category: Optical Measurement

English Title: Verification Regulation of plane Optical Flat
Chinese Title: 平晶检定规程
Standard No.: JJG 28-2000
Category No.: A60
Issued by: State Quality and Technology Supervision Bureau
Issued on: 2000-07-09
Implemented on: 2000-9-15
Status: superseded
Superseded by:JJG 28-2019 Verification Regulation of Optical Flats
Superseded on:2020-3-5
Abolished on:
Superseding:JJG 89-1986 JJG 28-1991 JJG 29-1991
Word Count:17000 words
Similar Standards: JJF B 1322-1990   JJF C 1311-1990   JJF A 1322-1990   JJF B 1311-1990   JJF A 1311-1990   JJF A 1313-1990   JJF B 1313-1990   JJG 1026-1991   JJG (交通) 079-2007   DB21/T 2593-2016   GB/T 29421-2012   GB/T 29420-2012   GB/T 29190-2012   GB/T 28873-2012   GB/T 28872-2012   DB31/T 637-2012   DB31/T 636.1-2012   JJG 579-2010   GB/T 22452-2008   GB/T 22453-2008  
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