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发明名称
Elektroakustischer Wandler mit Ringspaltmagnetsystem und Resonator
摘要
申请公布号
CH393433(A)
申请公布日期
1965.06.15
申请号
CH19610012517
申请日期
1961.10.30
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
PAUL,WALTER;ADAM,ADOLF
分类号
H04R1/22;H04R9/02
主分类号
H04R1/22
代理机构
代理人
主权项
地址
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