Document Type and Number:
Japanese Patent JPH046521
Kind Code:
B2
Inventors:
MATSUHISA TADAAKI
IWASAKI HIROYUKI
IWASAKI HIROYUKI
Application Number:
JP13483388A
Publication Date:
February 06, 1992
Filing Date:
June 01, 1988
Export Citation:
Assignee:
NGK INSULATORS LTD
International Classes:
B28B1/24; B28B1/26
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