Document Type and Number:
Japanese Patent JPS4949116
Kind Code:
A
Application Number:
JP9361472A
Publication Date:
May 13, 1974
Filing Date:
September 20, 1972
Export Citation:
International Classes:
H01F41/00; E04G21/16; H01B17/26; H01F38/22; (IPC1-7): H01F40/00