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Title:
発破方式を用いたトンネルの掘削工事により生じた掘削材の運搬方法
Document Type and Number:
Japanese Patent JP6456201
Kind Code:
B2
Inventors:
Go Asano
Takeshi Kurita
Hiroaki Muranaka
Yuichi Nakamura
Nobuyasu Kumazawa
Application Number:
JP2015049434A
Publication Date:
January 23, 2019
Filing Date:
March 12, 2015
Export Citation:
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Assignee:
Okumura Gumi Co., Ltd.
International Classes:
E21D9/12; B65G15/24; B65G21/20
Domestic Patent References:
JP2001140588A
JP2010202325A
JP51050785U
JP2002004777A
JP7119398A
JP11173079A
JP10280883A
JP2002303099A
JP11044181A
Foreign References:
WO1994017282A1
Attorney, Agent or Firm:
Toshiro Ohata



 
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