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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0113914
Kind Code:
Y2
More Like This:
JPH01111988DRILL PIPE FOR BORING SUBTERRANEAN HOLE AND COUPLING METHOD AND APPARATUS THEREFOR
Application Number:
JP469785U
Publication Date:
April 24, 1989
Filing Date:
January 17, 1985
Export Citation:
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International Classes:
F16L39/04; F16L37/00; F16L39/00; (IPC1-7): F16L39/04; F16L39/00



 
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