Document Type and Number:
Japanese Patent JPS5477002
Kind Code:
U
Application Number:
JP15183777U
Publication Date:
June 01, 1979
Filing Date:
November 11, 1977
Export Citation:
International Classes:
H04R11/08; H04R11/12; (IPC1-7): H04R11/12
Domestic Patent References:
JPS521286A | 1977-01-07 |