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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6137221
Kind Code:
B2
Inventors:
YATSU SHUJI
HARA AKIO
Application Number:
JP5466777A
Publication Date:
August 22, 1986
Filing Date:
May 12, 1977
Export Citation:
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Assignee:
SUMITOMO ELECTRIC INDUSTRIES
International Classes:
C22C1/05; C04B35/52; C22C26/00; C22C29/00; C22C29/16