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发明名称
Schaltungsanordnung fuer Konferenz-Fernsprechanlagen
摘要
申请公布号
DE873565(C)
申请公布日期
1953.04.16
申请号
DE1940M006239D
申请日期
1940.11.08
申请人
MIX & GENEST AKTIENGESELLSCHAFT
发明人
OSWALD FELIX DIPL.-ING.
分类号
H04M3/56
主分类号
H04M3/56
代理机构
代理人
主权项
地址
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