Document Type and Number:
Japanese Patent JPS5284210
Kind Code:
U
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Application Number:
JP17461975U
Publication Date:
June 23, 1977
Filing Date:
December 19, 1975
Export Citation:
International Classes:
G11B15/10; G11B15/18; H01F7/18; (IPC1-7): G11B15/18; H01F7/18