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经营范围
发明名称
Pose-tube souterrain
摘要
申请公布号
FR1377012(A)
申请公布日期
1964.10.31
申请号
FR19630956144
申请日期
1963.12.05
申请人
发明人
MOUILLARD EUGENE SIMEON HENRI
分类号
E02D7/20;E21B7/04
主分类号
E02D7/20
代理机构
代理人
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