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发明名称
COMPRESSION OR EXPANSION OF AUDIO FREQUENCY SIGNALS
摘要
申请公布号
GB1500192(A)
申请公布日期
1978.02.08
申请号
GB19750001881
申请日期
1975.01.16
申请人
LICENTIA GMBH
发明人
分类号
G11B20/04;H03G3/20;H03G7/00;H03G9/02;H03G9/18;H04B1/64;(IPC1-7):H04B1/64
主分类号
G11B20/04
代理机构
代理人
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地址
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