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Title:
PROPELLING BURIED PIPE
Document Type and Number:
Japanese Patent JPS5667100
Kind Code:
A
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Inventors:
OGAWA ZENTAROU
Application Number:
JP14198579A
Publication Date:
June 05, 1981
Filing Date:
November 05, 1979
Export Citation:
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Assignee:
KIYOUSEI TETSUKOU KK
International Classes:
F16L1/024; E21D9/093; E21D11/08; E21D11/14; (IPC1-7): E21D11/14; F16L1/02



 
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