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Title:
【発明の名称】掘削穴の覆工用筒状壁体における分岐部支持体の構築方法
Document Type and Number:
Japanese Patent JP2577439
Kind Code:
B2
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JPS58106100TUNNEL DRILLING MACHINE AND LIMING OF TUNNEL
Inventors:
OOZEKI MUNETAKA
HASHIMOTO HIROHIDE
Application Number:
JP15138388A
Publication Date:
January 29, 1997
Filing Date:
June 20, 1988
Export Citation:
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Assignee:
ISHIKAWAJIMA KENZAI KOGYO KK
International Classes:
E21D11/08; (IPC1-7): E21D11/08
Attorney, Agent or Firm:
Masatake Shiga (1 person outside)



 
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