Document Type and Number:
Japanese Patent JPS5269902
Kind Code:
U
Application Number:
JP15791175U
Publication Date:
May 24, 1977
Filing Date:
November 19, 1975
Export Citation:
International Classes:
G10K11/16; G10K11/00; (IPC1-7): G10K11/00
Domestic Patent References:
| JP50134907B |