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发明名称
BROYEUR DE PIERRES
摘要
申请公布号
FR2563447(B1)
申请公布日期
1988.03.04
申请号
FR19840006626
申请日期
1984.04.25
申请人
BELIN JEAN PIERRE
发明人
分类号
B02C13/06;B02C21/02;(IPC1-7):B02C13/09
主分类号
B02C13/06
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