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发明名称
APPAREIL DE FORAGE AUTONOME POUR PLATE-FORME ARTICULEE
摘要
申请公布号
CA892884(A)
申请公布日期
1972.02.15
申请号
CAD892884
申请日期
申请人
ENTREPRISE DE RECHERCHES ET D'ACTIVITES PETROLIERES ELF
发明人
MAURICE LAFFONT
分类号
主分类号
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