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发明名称
HOLE DIGGING AND COLUMN CONSTRUCTION CAR
摘要
申请公布号
JPH1082265(A)
申请公布日期
1998.03.31
申请号
JP19960235582
申请日期
1996.09.05
申请人
KURIHARA YUJI
发明人
KURIHARA YUJI
分类号
E21B7/00;E21B7/02;(IPC1-7):E21B7/00
主分类号
E21B7/00
代理机构
代理人
主权项
地址
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