Title:
フィードストロークを変更可能な低空頭用掘削装置
Document Type and Number:
Japanese Patent JP5851774
Kind Code:
B2
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Inventors:
Tadayoshi Ishibashi
Taniguchi Yoshinori
Tsutomu Takeya
Hirofumi Ikemoto
Masaharu Saito
Shigetsugu Takeda
Motoaki Kurisu
Hiroyuki Takami
Toshihiro Machinaga
Ogisu agreement
Toshihiro Kitahara
Katsunori Inouchi
Kousuke Nakazawa
Taniguchi Yoshinori
Tsutomu Takeya
Hirofumi Ikemoto
Masaharu Saito
Shigetsugu Takeda
Motoaki Kurisu
Hiroyuki Takami
Toshihiro Machinaga
Ogisu agreement
Toshihiro Kitahara
Katsunori Inouchi
Kousuke Nakazawa
Application Number:
JP2011193392A
Publication Date:
February 03, 2016
Filing Date:
September 05, 2011
Export Citation:
Assignee:
East Japan Railway Company
Iron Construction Co., Ltd.
Toa Tone Bowling Co., Ltd.
Iron Construction Co., Ltd.
Toa Tone Bowling Co., Ltd.
International Classes:
E21B15/00
Domestic Patent References:
| JP2153190A | ||||
| JP7034086U | ||||
| JP57112590A | ||||
| JP2006037433A |
Attorney, Agent or Firm:
Yoshikazu Ishii
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