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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5431644
Kind Code:
B2
Application Number:
JP8040872A
Publication Date:
October 08, 1979
Filing Date:
August 11, 1972
Export Citation:
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International Classes:
H04J3/00; G01R19/00; H03K7/00; H03K17/00; H04J3/04



 
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