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经营范围
发明名称
Video-Haussprechanlage
摘要
申请公布号
DE20004460(U1)
申请公布日期
2000.05.25
申请号
DE20002004460U
申请日期
2000.03.10
申请人
S. SIEDLE & SOEHNE,TELEFON- UND TELEGRAFENWERKE STIFTUNG & CO
发明人
分类号
H04M9/00;H04N7/18;(IPC1-7):H04N7/14;H04Q7/12
主分类号
H04M9/00
代理机构
代理人
主权项
地址
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