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发明名称
Magnetsystem fuer dynamische Lautsprecher
摘要
申请公布号
DE921874(C)
申请公布日期
1954.12.30
申请号
DE1949P042423
申请日期
1949.05.12
申请人
MAGNETFABRIK GEWERKSCHAFT WINDHORST
发明人
SOEHNE FRIEDRICH
分类号
H04R9/02
主分类号
H04R9/02
代理机构
代理人
主权项
地址
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