Document Type and Number:
Japanese Patent JPS5427556
Kind Code:
B2
Application Number:
JP10457274A
Publication Date:
September 11, 1979
Filing Date:
September 11, 1974
Export Citation:
International Classes:
C04B35/26; C04B35/30; H01F1/00; H01F1/34; H01F1/36; H01Q17/00; H05K9/00