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Patent Searching and Data


Title:
トンネル拡幅装置
Document Type and Number:
Japanese Patent JP4543130
Kind Code:
B2
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Inventors:
Yoshiyuki Ohara
Fujinaga Yuzaburo
Yuzo Koga
Tsutomu Kiuchi
Fujiwara Yasumasa
Hiroyuki Hirano
Kenji Ueno
Sumio Yamada
Noriomi Kashiwamura
Hironobu Takano
Application Number:
JP25958799A
Publication Date:
September 15, 2010
Filing Date:
September 13, 1999
Export Citation:
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Assignee:
Shimizu Construction Co., Ltd.
Mitsui Miike Manufacturing Co., Ltd.
Civil Engineering Research Institute
Advanced Construction Technology Center
Taisei Corporation
Fujita Co., Ltd.
International Classes:
E21D9/01; E21D9/00; E21D9/10; E21D11/10
Domestic Patent References:
JP10280862A
JP8170484A
JP10280860A
JP10072842A
JP62133793U
JP10115192A
JP62148699U
JP6137096A
JP11229751A
JP8114083A
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama