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发明名称
METHOD AND DEVICE FOR RETRIEVING SOUND SIGNAL
摘要
申请公布号
JPH04141856(A)
申请公布日期
1992.05.15
申请号
JP19900264285
申请日期
1990.10.01
申请人
ASAHI OPTICAL CO LTD
发明人
SATO KOICHI
分类号
G11B27/10;G11B19/02
主分类号
G11B27/10
代理机构
代理人
主权项
地址
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