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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5220347
Kind Code:
Y2
Application Number:
JP6970473U
Publication Date:
May 11, 1977
Filing Date:
June 11, 1973
Export Citation:
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International Classes:
H03H7/01; H01G4/00; H01G4/30; H01G4/35; H01G4/40; H01J23/14; H01J23/15; H01J25/50; H03H1/00; H04B15/00; H05B6/46; (IPC1-7): H01G4/42; H01G4/40; H01J23/14; H03H7/04