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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4974149
Kind Code:
U
Application Number:
JP11914872U
Publication Date:
June 27, 1974
Filing Date:
October 14, 1972
Export Citation:
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International Classes:
H03F1/34; H03H7/12; H03H11/12; (IPC1-7): H03H7/10; H03F1/34



 
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