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JY 224-1987 English PDF

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JY 224-1987EnglishRFQ ASK 3 days [Need to translate] (Pronunciation gear) Obsolete JY 224-1987

PDF similar to JY 224-1987


Standard similar to JY 224-1987

JY/T 0587   GB/T 20394   GB 17498.6   JY/T 0408   JY/T 0410   JY/T 0407   

Basic data

Standard ID JY 224-1987 (JY224-1987)
Description (Translated English) (Pronunciation gear)
Sector / Industry Education Industry Standard
Classification of Chinese Standard Y54
Regulation (derived from) Announcement on Industry Standard of the People's Republic of China No. 12 (No. 132)

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