Document Type and Number:
Japanese Patent JPS4891913
Kind Code:
U
Application Number:
JP1510072U
Publication Date:
November 05, 1973
Filing Date:
February 04, 1972
Export Citation:
International Classes:
G11B15/61; G11B15/60; G11B15/66; (IPC1-7): G11B15/66; G11B15/60
Domestic Patent References:
| JPS4811020A |