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发明名称
摘要
申请公布号
FR2427136(B1)
申请公布日期
1984.08.31
申请号
FR19790014028
申请日期
1979.05.31
申请人
GOODRICH CY
发明人
分类号
B02C17/22;(IPC1-7):B02C17/00
主分类号
B02C17/22
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代理人
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