Document Type and Number:
Japanese Patent JPS48111138
Kind Code:
U
Application Number:
JP3586472U
Publication Date:
December 20, 1973
Filing Date:
March 27, 1972
Export Citation:
International Classes:
G03B31/00; H03G3/00; H03G3/10; (IPC1-7): G03B31/00; H03G3/00