Document Type and Number:
Japanese Patent JPS56123397
Kind Code:
U
Application Number:
JP2219680U
Publication Date:
September 19, 1981
Filing Date:
February 22, 1980
Export Citation:
International Classes:
G10H1/057; G10H1/36; G10H1/40; (IPC1-7): G10H1/057; G10H1/36
Domestic Patent References:
| JPS51108819A | 1976-09-27 | |||
| JPS54113320A | 1979-09-04 | |||
| JPS50151623U | 1975-12-17 |