Document Type and Number:
Japanese Patent JPS6259078
Kind Code:
B2
Inventors:
KONDO KAZUO
TAKAMI AKIO
TAKAMI AKIO
Application Number:
JP1617480A
Publication Date:
December 09, 1987
Filing Date:
February 13, 1980
Export Citation:
Assignee:
NGK SPARK PLUG CO
International Classes:
C04B37/02; B23K20/00; C03C3/066; C04B37/00
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