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Title:
TUNNEL CONSTRUCTING JOINT WATER INTRODUCING CONSTRUCTION METHOD
Document Type and Number:
Japanese Patent JPS60129400
Kind Code:
A
Inventors:
SATOU SHIYOUICHI
Application Number:
JP23622183A
Publication Date:
July 10, 1985
Filing Date:
December 16, 1983
Export Citation:
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Assignee:
NITSUSHIN BOUSUI KOUJI KK
International Classes:
E21F16/02; (IPC1-7): E21F16/02
Domestic Patent References:
JPS5737775U1982-02-27
JPS5616800A1981-02-18
JPS58101180A1983-06-16
JPS5755980A1982-04-03
JPS5785500A1982-05-28
Attorney, Agent or Firm:
Youichi Nomoto



 
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