Document Type and Number:
Japanese Patent JPH0435868
Kind Code:
B2
Inventors:
MAEDA SUSUMU
Application Number:
JP387285A
Publication Date:
June 12, 1992
Filing Date:
January 11, 1985
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H01J23/027; H01J23/34; H01J25/38
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