Document Type and Number:
Japanese Patent JPS53132238
Kind Code:
U
Application Number:
JP3711277U
Publication Date:
October 20, 1978
Filing Date:
March 26, 1977
Export Citation:
International Classes:
H03F1/00; G03B31/00; H03G3/00; H04H40/72; H04R5/04; H04H1/00; (IPC1-7): H03F1/00; G03B31/00; H04H5/00; H04R5/04