Title:
建設機械
Document Type and Number:
Japanese Patent JP5271774
Kind Code:
B2
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Inventors:
Hiroki Sugawara
Takahiro Kobayashi
Mano Hidenori
Hiramatsu Hidefumi
Takao Hidaka
Takahiro Kobayashi
Mano Hidenori
Hiramatsu Hidefumi
Takao Hidaka
Application Number:
JP2009086274A
Publication Date:
August 21, 2013
Filing Date:
March 31, 2009
Export Citation:
Assignee:
Hitachi Construction Machinery Co., Ltd.
International Classes:
E02F9/00
Domestic Patent References:
| JP2000248582A | ||||
| JP8296783A | ||||
| JP2006028935A | ||||
| JP8121328A | ||||
| JP2003090303A | ||||
| JP2001165038A |
Other References:
金子敏夫,「油圧機器と応用回路〔改訂版〕」,日本,日刊工業新聞社,1969年12月20日,p.36-40
Attorney, Agent or Firm:
Patent Business Corporation Takewa International Patent Office
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