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经营范围
发明名称
Fernsprechstation mit Nummernschalter
摘要
申请公布号
DE864105(C)
申请公布日期
1953.01.22
申请号
DE1951S023056
申请日期
1951.05.09
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
JOERGENSEN BERNHARD
分类号
H04M1/02;H04M1/23
主分类号
H04M1/02
代理机构
代理人
主权项
地址
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