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经营范围
发明名称
WELL BORING
摘要
申请公布号
IE13169(L)
申请公布日期
1934.02.25
申请号
IED13169
申请日期
1933.08.22
申请人
SOCIETE FRANCAISE DE CONSTRUCTION DE BENNES AUTOMATIQUES
发明人
分类号
(IPC1-7):E03B/00;E21B/00
主分类号
(IPC1-7):E03B/00
代理机构
代理人
主权项
地址
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