Title:
METHOD OF EXCAVATING HIGH-TEMPERATURE TUNNEL
Document Type and Number:
Japanese Patent JPS61165499
Kind Code:
A
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Inventors:
NISHIMURA SHIGEKI
Application Number:
JP630985A
Publication Date:
July 26, 1986
Filing Date:
January 17, 1985
Export Citation:
Assignee:
NISHIMATSU CONSTR CO LTD
International Classes:
E21D9/00; E21F1/00; (IPC1-7): E21D9/00; E21F1/00
Attorney, Agent or Firm:
Hirai Shin