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发明名称
REDUCED IRON POWDER COMPOSITE FOR FRICTION MATERIAL USING SLUDGE AS RAW MATERIAL
摘要
申请公布号
KR1019960003463(B1)
申请公布日期
1996.03.14
申请号
KR1019920013577
申请日期
1992.07.29
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
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