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Database: 189759 (26 Oct 2025)
JY 139-1982 English PDF
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JY 139-1982
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3 days [Need to translate]
Small Plane Mirror
JY 139-1982
PDF similar to JY 139-1982
Standard similar to JY 139-1982
JY/T 0587
GB/T 20394
GB 17498.6
JY/T 0408
JY/T 0410
JY/T 0407
Basic data
Standard ID
JY 139-1982 (JY139-1982)
Description (Translated English)
Small Plane Mirror
Sector / Industry
Education Industry Standard
Classification of Chinese Standard
Y54
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