Document Type and Number:
Japanese Patent JPS539288
Kind Code:
Y1
Application Number:
JP3864276U
Publication Date:
March 11, 1978
Filing Date:
April 01, 1976
Export Citation:
International Classes:
G03B31/04; G11B15/02; G11B15/10; G11B31/00; (IPC1-7): G03B31/04; G11B15/10; G11B31/00
Domestic Patent References:
| JP38015442A | ||||
| JPS3811887Y1 | ||||
| JP37006367A | ||||
| JP39016382A | ||||
| JP30000030A |
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