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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5012994
Kind Code:
Y1
Application Number:
JP7280769U
Publication Date:
April 21, 1975
Filing Date:
July 31, 1969
Export Citation:
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International Classes:
H01Q13/02; H01Q17/00; H01Q19/12; H01Q19/13; (IPC1-7): H01Q19/12; H01Q13/02