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International Standard Category: Stainless steels

YB 4101-1998    Cold-drawn steels of bearing for freight rolling bearing
铁路货车滚动轴承用冷拉轴承钢 ;
Category No.:77.140.20 Valid Status:valid
Issued Organization:国家冶金工业局 Issued Date:1998-08-25
Implemented Date:1998-12-1 Abolished Date:
Superseded Standard.: Superseded Date:
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