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发明名称
Schaltungsanordnung fuer Fernsprechanlagen mit handbedienten Vermittlungseinrichtungen
摘要
申请公布号
DE588217(C)
申请公布日期
1933.11.14
申请号
DE1931M114512D
申请日期
1931.03.14
申请人
MIX & GENEST AKT.-GES.
发明人
MEHLIS KURT
分类号
H04M3/54
主分类号
H04M3/54
代理机构
代理人
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地址
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