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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5411509
Kind Code:
Y2
Application Number:
JP6715372U
Publication Date:
May 23, 1979
Filing Date:
June 06, 1972
Export Citation:
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International Classes:
H01J23/54; H01J23/14; H01J25/50; H04B15/00; (IPC1-7): H01J23/14



 
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