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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6131273
Kind Code:
B2
Inventors:
TADANO KYOSHI
Application Number:
JP12513980A
Publication Date:
July 18, 1986
Filing Date:
September 09, 1980
Export Citation:
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Assignee:
FURUKAWA KOGYO KK
International Classes:
E21B1/26; E21B1/00; F02D29/04