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Database: 189759 (19 Oct 2025)
JY 50-1987 English PDF
JY 50: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
JY 50-1987
English
RFQ
ASK
3 days [Need to translate]
(Demo electromagnetic relays)
JY 50-1987
JY 50-1979
English
RFQ
ASK
3 days [Need to translate]
(Demonstrate electromagnetic relay technical conditions (Trial))
Obsolete
JY 50-1979
PDF similar to JY 50-1987
Standard similar to JY 50-1987
JY/T 0587
GB/T 20394
GB 17498.6
JY/T 0408
JY/T 0410
JY/T 0407
Basic data
Standard ID
JY 50-1987 (JY50-1987)
Description (Translated English)
(Demo electromagnetic relays)
Sector / Industry
Education Industry Standard
Classification of Chinese Standard
Y54
Older Standard (superseded by this standard)
JY 50-1979