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发明名称
Vorrichtung zum Ziehen von Graeben
摘要
申请公布号
DE1708556(A1)
申请公布日期
1971.05.19
申请号
DE19631708556
申请日期
1963.01.11
申请人
ALLARD,PIERRE JEAN MARIE THEODORE
发明人
THEODORE ALLARD,PIERRE JEAN MARIE
分类号
E02F3/20;E02F3/88;E02F3/90;E02F3/92;E02F5/02;E21B4/02;E21B4/04;E21C45/00;E21C47/10
主分类号
E02F3/20
代理机构
代理人
主权项
地址
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