ObsoleteGo to latest versionGB/T 997-2022

GB/T 997-1981Symbols for types of construction and mounting arrangements of rotating electrical machinery (English PDF)

电机结构及安装型式代号

GB/T 997 | Evolution and historical versions

Std ID	Title	Status
GB/T 997-2022	Classification of types of construction, mounting arrangements and terminal box position (IM Code) for rotating electrical machines	Valid
GB/T 997-2008	Rotating Electrical Machines—Classification of Types of Construction, Mounting Arrangements and Terminal Box Position (IM Code)	Obsolete
GB/T 997-2003	Classification of types of construction and mounting arrangements for rotating electrical machines(IM code)	Obsolete
GB/T 997-1981	Symbols for types of construction and mounting arrangements of rotating electrical machinery	Obsolete

GB/T 997-1981 is obsolete. It has been replaced by GB/T 997-2003. This page sells the obsolete edition, for projects and contracts that still cite it.

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Issued by

National Standards Bureau

Level / Type

National · Recommended

Issue date

December 1, 1981

Implementation date

August 1, 1982

Scope

GB/T 997-1981 is the English-translated version of 电机结构及安装型式代号.

GB/T 997-1981 is the Chinese national standard "Symbols for types of construction and mounting arrangements of rotating electrical machinery". It was issued on December 1, 1981 by the National Standards Bureau, and took effect on August 1, 1982. It is obsolete: it has been replaced by GB/T 997-2003.

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Document preview — GB/T 997-1981

National Standard of the People's Republic of China

Issued by: National Standards Bureau

Document data

1 Document data

Sector: National standard (Recommended).

Issuing body: National Standards Bureau.

Date of issue: 1981-12-01.

Date of implementation: 1982-08-01.

Status: obsolete, replaced by GB/T 997-2003.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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