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经营范围
发明名称
MAGNETIC RECORDING MEDIUM AND PREPARATION THEREOF
摘要
申请公布号
JPS5381204(A)
申请公布日期
1978.07.18
申请号
JP19760158270
申请日期
1976.12.27
申请人
SONY CORP
发明人
SOMEZAWA MASASHI;HONMA SHIYUUICHI
分类号
G11B5/70;G11B5/84;G11B5/845
主分类号
G11B5/70
代理机构
代理人
主权项
地址
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