【発明の名称】建設機械の操作システム - Hitachi Construction Machinery Co., Ltd.

Title:

【発明の名称】建設機械の操作システム

Document Type and Number:

Japanese Patent JP3380074

Kind Code:

B2

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Inventors:

Touichi Hirata
Hiroshi Watanabe
Masakazu Haga
Hiroyuki Adachi
Kazuo Fujishima
Ken Iijima

Application Number:

JP32313994A

Publication Date:

February 24, 2003

Filing Date:

December 26, 1994

Export Citation:

Assignee:

Hitachi Construction Machinery Co., Ltd.

International Classes:

E02F9/22; E02F3/43; E02F9/24; F15B11/00; F15B11/08; (IPC1-7): E02F9/22; E02F9/24; F15B11/00; F15B11/08

Domestic Patent References:

JP4366237A
JP517969A

Attorney, Agent or Firm:

Kasuga

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