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发明名称
摘要
申请公布号
EP0572678(A4)
申请公布日期
1994.04.27
申请号
EP19930900375
申请日期
1992.12.22
申请人
HITACHI CONSTRUCTION MACHINERY CO., LTD.
发明人
HIRATA, TOICHI;SUGIYAMA, GENROKU;OCHIAI, MASAMI
分类号
E02F9/22;(IPC1-7):E02F3/43
主分类号
E02F9/22
代理机构
代理人
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地址
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