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Title:
INFINITELY SELFFPROPELL SUBMARINE TUNNEL INSTALLATION METHOD AND APPARATUS
Document Type and Number:
Japanese Patent JPS5235414
Kind Code:
A
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Inventors:
UEMURA KOUICHI
Application Number:
JP11049875A
Publication Date:
March 18, 1977
Filing Date:
September 13, 1975
Export Citation:
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Assignee:
UEMURA KOICHI
International Classes:
E02D29/07; F16L1/00; (IPC1-7): E01G4/04; F16L1/00; F16L1/04



 
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