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经营范围
发明名称
AUDIO SIGNAL RECORDING METHODS
摘要
申请公布号
GB8818582(D0)
申请公布日期
1988.09.07
申请号
GB19880018582
申请日期
1988.08.04
申请人
CANON KK
发明人
分类号
G11B5/592;G11B15/087;G11B20/00;G11B20/10;G11B20/12;G11B27/10;G11B27/22;G11B27/30;(IPC1-7):G11B27/22
主分类号
G11B5/592
代理机构
代理人
主权项
地址
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