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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5427557
Kind Code:
B2
Application Number:
JP10457374A
Publication Date:
September 11, 1979
Filing Date:
September 11, 1974
Export Citation:
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International Classes:
C04B35/26; H01B3/00; H01B3/10; H01F1/00; H01F1/34; H01Q17/00; H05K9/00