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Patent Searching and Data


Title:
METHOD OF IMPLANTING VERY HARD EDGE PIECE OF INSERT BIT
Document Type and Number:
Japanese Patent JPS5272306
Kind Code:
A
Inventors:
NAKAYAMA YOSHIHIRO
MAEDA NAOTAKA
Application Number:
JP14939775A
Publication Date:
June 16, 1977
Filing Date:
December 15, 1975
Export Citation:
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Assignee:
TSUKAMOTO SEIKI KK
International Classes:
B23K20/00; (IPC1-7): E21B9/00



 
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