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发明名称
BUCKET EXCAVATOR
摘要
申请公布号
JPH0642005(A)
申请公布日期
1994.02.15
申请号
JP19910347736
申请日期
1991.12.04
申请人
PENTA OCEAN CONSTR CO LTD
发明人
HIRAYAMA TATSUYA;YUKI TOMOSHI
分类号
E02F3/47;E02F9/26;E21B11/04;(IPC1-7):E02F3/47
主分类号
E02F3/47
代理机构
代理人
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