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发明名称
Schaltungsanordnung für Fernsprechanlagen, insbesondere Nebenstellenzentralen.
摘要
申请公布号
AT127701(B)
申请公布日期
1932.04.11
申请号
ATD127701
申请日期
1930.08.23
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
ING. HANS TATZL
分类号
主分类号
代理机构
代理人
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