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经营范围
发明名称
Fernsprechendgerät mit Trackball
摘要
申请公布号
DE9409768(U1)
申请公布日期
1994.08.18
申请号
DE19940009768U
申请日期
1994.06.16
申请人
SIEMENS AG, 80333 MUENCHEN, DE
发明人
分类号
H04M1/247;(IPC1-7):H04M1/00;H04M1/02
主分类号
H04M1/247
代理机构
代理人
主权项
地址
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