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发明名称
Schaltungsanordnung fuer Fernsprechanlagen mit Einrichtungen zur Speicherung der die Ziffern einer gewuenschten Nummer bildenden Stromstossreihen
摘要
申请公布号
DE539340(C)
申请公布日期
1931.11.25
申请号
DE1929I040055D
申请日期
1929.12.07
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
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主分类号
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