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发明名称
Verfahren zur Beeinflussung der Schwingungen in elektrischen oder elektroakustischenUEbertragungseinrichtungen
摘要
申请公布号
DE931290(C)
申请公布日期
1955.08.04
申请号
DE1953E006580
申请日期
1953.01.08
申请人
ELECTROACUSTIC GESELLSCHAFT M.B.H.
发明人
OTTEN HANS
分类号
H04M9/08
主分类号
H04M9/08
代理机构
代理人
主权项
地址
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