Title:
拡底シリンダの油圧回路
Document Type and Number:
Japanese Patent JP3552924
Kind Code:
B2
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Inventors:
Satoshi Nozaki
Application Number:
JP27263498A
Publication Date:
August 11, 2004
Filing Date:
September 28, 1998
Export Citation:
Assignee:
Hitachi Construction Machinery Co., Ltd.
International Classes:
E21B11/00; (IPC1-7): E21B11/00
Domestic Patent References:
JP9041861A | ||||
JP58127083U |
Attorney, Agent or Firm:
Katsuichi Wakata