Document Type and Number:
Japanese Patent JPS6334573
Kind Code:
B2
Inventors:
YANAKA TOMEI
Application Number:
JP11384080A
Publication Date:
July 11, 1988
Filing Date:
August 18, 1980
Export Citation:
Assignee:
MATSUSHITA ELECTRONICS CORP
International Classes:
H01J7/20; H01J9/395; H01J61/28
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