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Chinese National Standard Category: Time and Frequency Measurement

English Title: Verification Regulation of Watch Tester
Chinese Title: 校表仪
Standard No.: JJG 488-1998
Category No.: A57
Issued by:
Issued on: 1998-11-16
Implemented on: 1999-5-1
Status: superseded
Superseded by:JJG 488-2008 Verification Regulation of Watch Tester
Superseded on:2008-9-25
Abolished on:
Superseding:JJG 488-1987 Printing Rate Recorder (On Trail)
JJG 489-1987
Word Count:2500 words
Similar Standards: GB/T 13823.11-1995   GB/T 39724-2020   JJG 771-2010   JJG 488-2008   JJG 723-2008   JJF 1206-2008   JJF 1193-2008   JJG 2007-2007   JJF 1180-2007   JJG 603-2006   JJG 545-2006   GB/T 20485.11-2006   JJG 1010-2006   JJG (交通) 066-2006   JJG 181-2005   JJG 1004-2005   JJG (铁道) 132-2005   JJG(铁道)132-2005   JJG 738-2005   JJG (沪) 48-2005  
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