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发明名称
Hydraulic circuit system for hydraulic working machine
摘要
申请公布号
EP0900889(A3)
申请公布日期
1999.10.20
申请号
EP19980116579
申请日期
1998.09.02
申请人
HITACHI CONSTRUCTION MACHINERY CO., LTD.
发明人
TOYOOKA, TSUKASA;HIRATA, TOICHI;SUGIYAMA, GENROKU;NAKAMURA, KAZUNORI;ISHIKAWA, KOUJI;NAKAMURA, TSUYOSHI
分类号
E02F9/22;(IPC1-7):E02F9/22
主分类号
E02F9/22
代理机构
代理人
主权项
地址
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