Title:
土砂処理装置及びトンネル掘削機
Document Type and Number:
Japanese Patent JP4230885
Kind Code:
B2
Inventors:
Masahiko Sugiyama
Takashi Higashi
Yoshikazu Kido
Kawagoe Masaru
Takashi Higashi
Yoshikazu Kido
Kawagoe Masaru
Application Number:
JP2003368624A
Publication Date:
February 25, 2009
Filing Date:
October 29, 2003
Export Citation:
Assignee:
Mitsubishi Heavy Industries Underground Construction Machinery Co., Ltd.
Kumagai Gumi Co., Ltd.
Kumagai Gumi Co., Ltd.
International Classes:
E21D9/13; E21D9/12
Domestic Patent References:
| JP2003148087A | ||||
| JP6330691A |
Attorney, Agent or Firm:
Toshiro Mitsuishi
Tadahiro Mitsuishi
Yasuyuki Tanaka
Hiroshi Matsumoto
Tadahiro Mitsuishi
Yasuyuki Tanaka
Hiroshi Matsumoto