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发明名称
METHOD OF PRODUCING NON-SPARKING FRICTION COATIN ON A STEEL COMPONENT
摘要
申请公布号
PL149994(B1)
申请公布日期
1990.04.30
申请号
PL19860262090
申请日期
1986.10.10
申请人
发明人
分类号
B22F;B22F7/04;(IPC1-7):B22F7/04
主分类号
B22F
代理机构
代理人
主权项
地址
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