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发明名称
DIGITALER ABSCHWAECHER ZUR TONSIGNALFORMUNG
摘要
申请公布号
DE2535875(B2)
申请公布日期
1977.11.17
申请号
DE19752535875
申请日期
1975.08.12
申请人
发明人
分类号
G04C21/02;G10H1/02;G10H1/057;G10K15/04;H03H11/24;(IPC1-7):G10H1/00
主分类号
G04C21/02
代理机构
代理人
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