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发明名称
Fernsprechanlage mit mindestens einer Haupt- und einer Untervermittlungsstelle.
摘要
申请公布号
CH165326(A)
申请公布日期
1933.11.15
申请号
CHD165326
申请日期
1932.02.25
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
AKTIENGESELLSCHAFT SIEMENS & HALSKE
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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