Document Type and Number:
Japanese Patent JPS5778183
Kind Code:
U
Application Number:
JP15473080U
Publication Date:
May 14, 1982
Filing Date:
October 29, 1980
Export Citation:
International Classes:
H04R17/02; H04R1/00; H04R1/46; H04R17/00; (IPC1-7): H04R1/00; H04R1/46; H04R17/00