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发明名称
Schaltanordnung für automatische Fernsprechanlagen zum Überwachen von Münzfernskprechern.
摘要
申请公布号
AT132344(B)
申请公布日期
1933.03.10
申请号
ATD132344
申请日期
1932.04.05
申请人
TELEFONAKTIEBOLAGET L. M. ERICSSON
发明人
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