Document Type and Number:
Japanese Patent JPH0139184
Kind Code:
B2
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Inventors:
CHIBA TOMOSUKE
KATO HIROSHI
HAMANAKA AKIRA
KATO HIROSHI
HAMANAKA AKIRA
Application Number:
JP14082584A
Publication Date:
August 18, 1989
Filing Date:
July 06, 1984
Export Citation:
Assignee:
SONY CORP
International Classes:
H01J7/24; H01J7/26; H01J29/00; H01J29/89; H01J31/10
Next Patent: JPH0139185