Document Type and Number:
Japanese Patent JPS5455301
Kind Code:
U
Application Number:
JP12943877U
Publication Date:
April 17, 1979
Filing Date:
September 27, 1977
Export Citation:
International Classes:
G11B3/42; G11B3/095; G11B17/22; (IPC1-7): G11B17/06; G11B3/42; G11B17/22
Domestic Patent References:
| JPS4115791Y1 | 1966-07-23 |