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经营范围
发明名称
COMPRESSION VOICE RECORDER
摘要
申请公布号
JPH01118273(A)
申请公布日期
1989.05.10
申请号
JP19870274824
申请日期
1987.10.30
申请人
ASAHI OPTICAL CO LTD
发明人
AOKI HARUMI;SAKAI SHINYA
分类号
G11B20/10;H04N5/765;H04N5/781;H04N5/91;H04N5/928
主分类号
G11B20/10
代理机构
代理人
主权项
地址
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