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发明名称
Permanentdynamische Hoerkapsel fuer Fernsprechapparate
摘要
申请公布号
DE1216940(B)
申请公布日期
1966.05.18
申请号
DE1963G038048
申请日期
1963.06.27
申请人
DIPL.-ING. WALTER GADEMANN
发明人
GADEMANN DIPL.-ING. WALTER
分类号
H04R9/10
主分类号
H04R9/10
代理机构
代理人
主权项
地址
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