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YB 4025-1991 (YB4025-1991)

Chinese standards (related to): 'YB 4025-1991'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusGoogle Book
YB 4025-1991EnglishRFQ ASK 3 days (Niobium Phosphorus semisteel) YB 4025-1991 Obsolete YB 4025-1991

Standard ID YB 4025-1991 (YB4025-1991)
Description (Translated English) (Niobium Phosphorus semisteel)
Sector / Industry Ferrous Metallurgy Industry Standard
Date of Issue 1991/5/4
Date of Implementation 1992/1/1