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发明名称
Schaltungsanordnung fuer handbediente Fernschreibvermittlungsanlagen
摘要
申请公布号
DE890056(C)
申请公布日期
1953.09.17
申请号
DE1944S016054D
申请日期
1944.01.12
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
KREUZER FRIEDRICH
分类号
H04L12/04
主分类号
H04L12/04
代理机构
代理人
主权项
地址
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