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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5247959
Kind Code:
Y2
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Application Number:
JP3155972U
Publication Date:
October 31, 1977
Filing Date:
March 15, 1972
Export Citation:
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International Classes:
H03F3/343; H03F3/34; H03G3/02; H03G3/10; H04N5/14; (IPC1-7): H03G3/10; H03F3/34



 
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