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经营范围
发明名称
HÖRVORRICHTUNG
摘要
申请公布号
AT503452(B1)
申请公布日期
2007.10.15
申请号
AT20020000323
申请日期
2002.03.01
申请人
HELMS JAN DR.
发明人
分类号
H04R25/02
主分类号
H04R25/02
代理机构
代理人
主权项
地址
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