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发明名称
Schaltungsanordnung in Fernsprechanlagen.
摘要
申请公布号
CH153049(A)
申请公布日期
1932.02.29
申请号
CHD153049
申请日期
1931.02.16
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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