Document Type and Number:
Japanese Patent JPH0138346
Kind Code:
B2
Inventors:
KANBARA EIJI
Application Number:
JP16273579A
Publication Date:
August 14, 1989
Filing Date:
December 17, 1979
Export Citation:
Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
H01J29/48; H01J29/92
Next Patent: JPH0138347