SL 137-2017
Calibration method of mortar and concrete length measuring instrument (English Version)

Standard No.

SL 137-2017

Language

Chinese, Available in English version

Release Date

2017

Published By

Professional Standard - Water Conservancy

Latest

SL 137-2017

Replace

SL 137-1995

SL 137-2017 history

• 2017 SL 137-2017 Calibration method of mortar and concrete length measuring instrument
• 1995 SL 137-1995 Method for calibration of length measuring instrument