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经营范围
发明名称
Hydraulic circuit of hydraulic power shovel.
摘要
申请公布号
EP0072539(A2)
申请公布日期
1983.02.23
申请号
EP19820107325
申请日期
1982.08.12
申请人
HITACHI CONSTRUCTION MACHINERY CO., LTD.
发明人
YAGYU, TAKASHI;YAMAGUCHI, TAKESHI;TANAKA, SOTARO;SAKAKI, YASUO
分类号
E02F3/43;E02F9/22;F15B11/20;(IPC1-7):E02F3/30
主分类号
E02F3/43
代理机构
代理人
主权项
地址
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