Document Type and Number:
Japanese Patent JPS5213875
Kind Code:
Y2
Application Number:
JP2875671U
Publication Date:
March 29, 1977
Filing Date:
April 16, 1971
Export Citation:
International Classes:
H01J23/027; H01J23/08; H01J23/087; H01J25/34; (IPC1-7): H01J23/08; H01J23/027; H01J25/34
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