Document Type and Number:
Japanese Patent JPS52115223
Kind Code:
U
Application Number:
JP2274876U
Publication Date:
September 01, 1977
Filing Date:
February 27, 1976
Export Citation:
International Classes:
G11B5/49; G11B5/50; G11B21/16; (IPC1-7): G11B5/50
Domestic Patent References:
| JP50068719B | ||||
| JPS4841220B1 | 1973-12-05 | |||
| JP50121718B | ||||
| JP50133120B |