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经营范围
发明名称
Magnetic recording medium
摘要
申请公布号
US4992330(A)
申请公布日期
1991.02.12
申请号
US19890448667
申请日期
1989.12.11
申请人
KONICA CORPORATION
发明人
KAWAHARA, SETSUKO;KOYAMA, NOBORU;NAKANO, YASUSHI;NAKAJIMA, NOBORU
分类号
G11B5/708;G11B5/716
主分类号
G11B5/708
代理机构
代理人
主权项
地址
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