Document Type and Number:
Japanese Patent JPH0348836
Kind Code:
Y2
Application Number:
JP14326284U
Publication Date:
October 18, 1991
Filing Date:
September 20, 1984
Export Citation:
International Classes:
H01J7/24; H01J29/89; H01J31/10; (IPC1-7): H01J31/10; H01J7/24
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