Document Type and Number:
Japanese Patent JPH02128254
Kind Code:
U
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Application Number:
JP3579489U
Publication Date:
October 23, 1990
Filing Date:
March 29, 1989
Export Citation:
International Classes:
G11B7/09; G11B21/02; G11B21/08; H02K33/18; (IPC1-7): G11B21/08; G11B7/09; H02K33/18