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经营范围
发明名称
Canon perforateur pour forages
摘要
申请公布号
FR1259600(A)
申请公布日期
1961.04.28
申请号
FR19600824213
申请日期
1960.04.13
申请人
PAN GEO ATLAS CORPORATION
发明人
分类号
E21B43/118
主分类号
E21B43/118
代理机构
代理人
主权项
地址
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