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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5220000
Kind Code:
Y2
Application Number:
JP3322472U
Publication Date:
May 09, 1977
Filing Date:
March 21, 1972
Export Citation:
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International Classes:
H05K9/00; H01B3/00; H01F1/00; H01F1/34; H01Q17/00; (IPC1-7): H01Q17/00; H05K9/00