Title:
カッタ交換装置及び方法とトンネル掘削機
Document Type and Number:
Japanese Patent JP4437910
Kind Code:
B2
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Inventors:
Takashi Higashi
Yasuo Iguchi
Masahiko Sugiyama
Go Ogura
Kunihiro Nagamori
Makoto Kato
Yasuo Iguchi
Masahiko Sugiyama
Go Ogura
Kunihiro Nagamori
Makoto Kato
Application Number:
JP2003368630A
Publication Date:
March 24, 2010
Filing Date:
October 29, 2003
Export Citation:
Assignee:
Mitsubishi Heavy Industries Mechatronics Systems Co., Ltd.
Kashima Construction Co., Ltd.
Kashima Construction Co., Ltd.
International Classes:
E21D9/087
Domestic Patent References:
| JP2003253988A | ||||
| JP2001140587A | ||||
| JP200140992A | ||||
| JP2001262978A | ||||
| JP9100697A |
Attorney, Agent or Firm:
Toshiro Mitsuishi
Tadahiro Mitsuishi
Yasuyuki Tanaka
Hiroshi Matsumoto
Bunri Sugiura
Tadahiro Mitsuishi
Yasuyuki Tanaka
Hiroshi Matsumoto
Bunri Sugiura