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Chinese National Standard Category: Electric rotating machinery in general

English Title: Symbols for types of construction and mounting arrangements of rotating electrical machinery
Chinese Title: 电机结构及安装型式代号
Standard No.: GB/T 997-1981
Category No.: K20
Issued by: National Standards Bureau
Issued on: 1981-12-01
Implemented on: 1982-8-1
Status: superseded
Superseded by:GB/T 997-2003 Classification of types of construction and mounting arrangements for rotating electrical machines(IM code)
Superseded on:2004-5-1
Abolished on:2004-05-01
Superseding:GB 997-1967
Word Count:7500 words
Similar Standards: GB 4706.20-1988   GB 4706.26-1991   GB 4706.24-1991   JB/T 3140-1982   JB/T 5888-1991   CNCA 01C-013-2007   GB 9926-1988   T/CI 173-2023   GB 13232-1991   GB 4706.28-1992   GB/T 4720-1984   GB/T 29326-2023   GB/Z 43036-2023   GB/T 7409.4-2023   GB/Z 20833.5-2023   GB/T 13958-2022   GB/T 21205-2022   GB/T 25292-2022   GB/T 997-2022   GB/T 13002-2022  
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