Document Type and Number:
Japanese Patent JPS6420704
Kind Code:
U
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Application Number:
JP11486887U
Publication Date:
February 01, 1989
Filing Date:
July 27, 1987
Export Citation:
International Classes:
G11B5/02; (IPC1-7): H01F23/00; G11B5/02
Domestic Patent References:
| JPS57100212U | 1982-06-19 | |||
| JPS55112813U | 1980-08-08 |