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经营范围
发明名称
Ground removing device
摘要
申请公布号
EP1072754(A3)
申请公布日期
2004.10.13
申请号
EP20000203891
申请日期
1998.07.01
申请人
HEEREMA HOLDING CONSTRUCTION INC.
发明人
LAMMERTINK, MARINUS CHRISTIAAN;VAN VOORDEN, RUTGER CHRISTIAAN;BROEDER, RENE
分类号
E21B7/20;E21B7/26;E21B7/30;E21D9/04;E21D9/10;E21D11/10;(IPC1-7):E21B7/18;E21B7/28;E21C25/60;E21C37/12;F16L15/08
主分类号
E21B7/20
代理机构
代理人
主权项
地址
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