Document Type and Number:
Japanese Patent JPS5245776
Kind Code:
Y2
Application Number:
JP3249072U
Publication Date:
October 18, 1977
Filing Date:
March 17, 1972
Export Citation:
International Classes:
H01F38/42; H01F19/00; H01F19/04; H01F27/02; (IPC1-7): H01F19/00; H01F27/02