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经营范围
发明名称
Dispositif de retenue des forets de perforatrices
摘要
申请公布号
FR674537(A)
申请公布日期
1930.01.29
申请号
FRD674537
申请日期
1929.05.03
申请人
INGERSOLL-RAND COMPANY
发明人
分类号
B25D17/08
主分类号
B25D17/08
代理机构
代理人
主权项
地址
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