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发明名称
KLEIN-MIKROFON.
摘要
申请公布号
DE1825538(U)
申请公布日期
1961.01.26
申请号
DE196000P7493U
申请日期
1960.11.29
申请人
PROTONA PRODUKTIONSGESELLCHAFT FUER ELEKTRO-AKUSTISCHE GERAETE
发明人
分类号
主分类号
代理机构
代理人
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