Document Type and Number:
Japanese Patent JPH0156488
Kind Code:
B2
Inventors:
ISHIZAKI ISAMU
YAGI HIKARI
YAGI HIKARI
Application Number:
JP15360084A
Publication Date:
November 30, 1989
Filing Date:
July 23, 1984
Export Citation:
Assignee:
NGK INSULATORS LTD
International Classes:
H01H5/06; H01H33/40; H01H33/42
Next Patent: JPH0156489