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经营范围
发明名称
Perforatrice pour puits
摘要
申请公布号
FR735368(A)
申请公布日期
1932.11.07
申请号
FRD735368
申请日期
1931.12.10
申请人
发明人
NEGRINI LOUIS;FILIDEI LEON
分类号
E02D1/02;E02D19/10;E21B7/20
主分类号
E02D1/02
代理机构
代理人
主权项
地址
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