Document Type and Number:
Japanese Patent JPS6318823
Kind Code:
B2
Inventors:
KOBAYASHI KAZUTOSHI
Application Number:
JP3950879A
Publication Date:
April 20, 1988
Filing Date:
April 02, 1979
Export Citation:
Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
H01J7/18; H01J9/39