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Patent Searching and Data


Title:
HEATER BORING MECHANISM FOR INSIDE OF PIPE
Document Type and Number:
Japanese Patent JPS59115200
Kind Code:
A
Inventors:
SAKAGUCHI OUICHI
MATSUMOTO YASUYOSHI
Application Number:
JP22463582A
Publication Date:
July 03, 1984
Filing Date:
December 21, 1982
Export Citation:
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Assignee:
TOKYO GAS CO LTD
NIPPON ELECTRIC CO
International Classes:
B26D7/01; B23B41/00; B26F1/26; B26F3/06; E21B7/00; E21B7/14; (IPC1-7): B23B41/00; B26D7/01; B26F3/06; B29C17/10; E21B7/00