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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5619329
Kind Code:
Y2
Application Number:
JP12720773U
Publication Date:
May 08, 1981
Filing Date:
November 05, 1973
Export Citation:
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International Classes:
H01J7/24; H01J23/00; H01J23/033; H01J23/14; H01J23/15; H01J25/50; (IPC1-7): H01J23/14; H01J23/033