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Chinese National Standard Category: Petrochemical and chemical industry engineering

English Title: Unified Regulations on Images and Verbal Symbols in Electrical Design for Enterprises in Chemical Industry
Chinese Title: 化工企业电力设计图形和文字符号统一规定
Standard No.: HG/T 20686-1990
Category No.: P72
Issued by: 0
Issued on: 1991-2-1
Implemented on: 1991-1-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:HGJ 530-1990
Word Count:45000 words
Similar Standards: T/CCSAS 018-2022   SH 3063-1999   SH 3137-2013   T/CCSAS 019-2022   SH/T 3061-2019   SH/T 3198-2018   SH/T 3902-2014   SH/T 3052-2014   SH/T 3904-2014   SH/T 3043-2014   SH/T 3051-2014   HG 20235-2014   GB/T 51027-2014   SH/T 3557-2015   GB 50996-2014   GB 50128-2014   GB 50984-2014   GB/T 50977-2014   HG/T 20692-2014   GB 50963-2014  
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