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发明名称
Schaltungsanordnung fuer Traegerfrequenz-Fernsprechanlagen
摘要
申请公布号
DE963965(C)
申请公布日期
1957.05.16
申请号
DE1948P010867
申请日期
1948.10.02
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
SCHERER DIPL.-ING. KARL
分类号
H04J1/16
主分类号
H04J1/16
代理机构
代理人
主权项
地址
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