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发明名称
VERFAHREN UND VORRICHTUNG ZUR ERWEITERUNG DER NIEDERFREQUENZAUSGABE EINES LAUTSPRECHERS
摘要
申请公布号
AT520260(T)
申请公布日期
2011.08.15
申请号
AT20080784466T
申请日期
2008.08.20
申请人
AM3D A/S
发明人
MINNAAR, PAULI
分类号
H04R3/04
主分类号
H04R3/04
代理机构
代理人
主权项
地址
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