Document Type and Number:
Japanese Patent JPS5257603
Kind Code:
U
Application Number:
JP14413875U
Publication Date:
April 26, 1977
Filing Date:
October 24, 1975
Export Citation:
International Classes:
G11B33/08; G11B3/00; G11B33/02; (IPC1-7): G11B3/00
Domestic Patent References:
| JPS484006U | 1973-01-18 |