Document Type and Number:
Japanese Patent JPS52139703
Kind Code:
U
Application Number:
JP4791276U
Publication Date:
October 22, 1977
Filing Date:
April 19, 1976
Export Citation:
International Classes:
H05K5/06; G10K11/00; G10K11/16; H04B1/08; H05K5/02; (IPC1-7): H05K5/06; G10K11/00; G11B1/00; H04B1/08
Domestic Patent References:
| JP49141815B |