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发明名称
Fernsprechanlage mit mehreren an einer gemeinsamen Leitung liegenden O. B.-Teilnehmern.
摘要
申请公布号
AT134186(B)
申请公布日期
1933.07.10
申请号
ATD134186
申请日期
1931.08.26
申请人
TELEPHON- U. TELEGRAPHENFABRIKS-A.-G. KAPSCH U. SOEHNE
发明人
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