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发明名称
HIGH-CARBON AND HIGH-CHROME BEARING STEEL EXCELLENT IN FATIGUE LIFE
摘要
申请公布号
KR1019970010805(B1)
申请公布日期
1997.07.01
申请号
KR1019940035720
申请日期
1994.12.21
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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