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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0431807
Kind Code:
U
Application Number:
JP7226990U
Publication Date:
March 16, 1992
Filing Date:
July 09, 1990
Export Citation:
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International Classes:
H01Q17/00; H01Q7/04; (IPC1-7): H01Q7/04; H01Q17/00



 
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