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发明名称
Fernsprechanlage mit aus Einstell- und Sprechwählern bestehenden Verbindungseinrichtungen.
摘要
申请公布号
CH153982(A)
申请公布日期
1932.04.15
申请号
CHD153982
申请日期
1931.02.23
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
AKTIENGESELLSCHAFT SIEMENS & HALSKE
分类号
H04Q3/42
主分类号
H04Q3/42
代理机构
代理人
主权项
地址
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