Document Type and Number:
Japanese Patent JPS6333257
Kind Code:
B2
Inventors:
NAKAGAWA JINZO
Application Number:
JP14133378A
Publication Date:
July 05, 1988
Filing Date:
November 15, 1978
Export Citation:
Assignee:
MATSUSHITA ELECTRONICS CORP
International Classes:
H01J7/24; H01J23/00; H01J23/033
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