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发明名称
Digitales Mikrophon
摘要
申请公布号
DE1437468(A1)
申请公布日期
1968.10.10
申请号
DE19641437468
申请日期
1964.06.02
申请人
INTERNATIONAL STANDARD ELECTRIC CORP.
发明人
BAUM,ELMER
分类号
H03M1/00;H04B14/04;H04R1/00;H04R23/00
主分类号
H03M1/00
代理机构
代理人
主权项
地址
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