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经营范围
发明名称
Meules abrasives et procédé pour leur fabrication
摘要
申请公布号
FR699582(A)
申请公布日期
1931.02.17
申请号
FRD699582
申请日期
1930.07.09
申请人
THE CARBORUNDUM COMPANY
发明人
分类号
B24D5/04;B24D5/16;B24D18/00
主分类号
B24D5/04
代理机构
代理人
主权项
地址
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