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MAGNETIC RECORDING MEDIUM

申请公布号:JPH05174369(A)

申请号:JP19910339238

申请日期:1991.12.24

申请公布日期:1993.07.13

申请人:
SUMITOMO METAL MINING CO LTD;SUMITOMO METAL IND LTD

发明人:TADA JUNYA;BEPPU TOSHIYASU

分类号:G11B5/72;G11B5/64;G11B5/85

主分类号:G11B5/72

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