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发明名称
Perfectionnements aux compositions abrasives de pierres précieuses et aux compositions analogues
摘要
申请公布号
FR948568(A)
申请公布日期
1949.08.04
申请号
FRD948568
申请日期
1947.06.27
申请人
ENGIS EQUIPMENT COMPANY
发明人
分类号
C09K3/14
主分类号
C09K3/14
代理机构
代理人
主权项
地址
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