HG/T 20637.7-2017
Compilation of engineering design documents for the automatic control of chemical installations Standardize the statistics of instrument installation materials (English Version)

Standard No.

HG/T 20637.7-2017

Language

Chinese, Available in English version

Release Date

2018

Published By

Professional Standard - Chemical Industry

Latest

HG/T 20637.7-2017

Replace

HG/T 20637.7-1998

HG/T 20637.7-2017 history

• 2018 HG/T 20637.7-2017 Compilation of engineering design documents for the automatic control of chemical installations Standardize the statistics of instrument installation materials
• 1970 HG/T 20637.7-1998 Guid for preparation of engineering documents of instrumentation