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DE??? ??
?? 77??? ??? ??? ??? ??? ??.
?? ???? ??? ??? ??? ??? ??? ????: ?? ??, ???? ?? ? ??.
IN-BIS, ??? ??
Military Standard of the People's Republic of China-General Armament Department, ??? ??
Professional Standard - Electron, ??? ??
未注明發(fā)布機構(gòu), ??? ??
Professional Standard - Aerospace, ??? ??
SCC, ??? ??
- BS 142-2-2.3:1991 Electrical protection relays. Requirements for the principal families of protection relays-Specification for thermal electrical relays
- BS 142-2-2.3:1984 ?? ?? ???. ?? ???? ?? ???? ?? ?? ?? - ? ?? ??? ??
- BS 142-4-4.2:1984 ?? ?? ???. ?? ?? ??? ??? ?? ?? - ?? ??? ? ?? ??? ??
British Standards Institution (BSI), ??? ??