Document Type and Number:
Japanese Patent JPS4931318
Kind Code:
U
Application Number:
JP7283372U
Publication Date:
March 18, 1974
Filing Date:
June 20, 1972
Export Citation:
International Classes:
G11B15/675; G11B15/66; (IPC1-7): G11B15/66
Domestic Patent References:
| JP46008348U |