JJG 170-2020
Waterborne engineering attitude measuring instrument【 (English Version)

Standard No.

JJG 170-2020

Language

Chinese, Available in English version

Published By

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

Latest

JJG 170-2020

JJG 170-2020 history

• 1970 JJG 170-2020 Waterborne engineering attitude measuring instrument【
• 2005 JJG 73-2005 High - precision Line Scale
• 1994 JJG 170-1994 Verification Regulation of Metal Line Standard for Measuring Lenght up to 1000 mm Grade I & II