JJG(石油) 21-1996
Verfication Regulation of Geophone Tester (English Version)

Standard No.

JJG(石油) 21-1996

Language

Chinese, Available in English version

Release Date

1996

Published By

National Metrological Verification Regulations of the People's Republic of China

Status

Be replaced 2005-11

Replace By

SY/T 6639-2005

Latest

SY/T 6639-2012