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Document Type and Number:
Japanese Patent JPS5353410
Kind Code:
Y2
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Application Number:
JP13886472U
Publication Date:
December 20, 1978
Filing Date:
November 30, 1972
Export Citation:
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International Classes:
H01J23/10; H01J23/14; H01J23/15; H01J25/50; (IPC1-7): H01J23/14



 
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