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发明名称
Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb
摘要
申请公布号
DE566097(C)
申请公布日期
1932.12.13
申请号
DE1927S082586D
申请日期
1927.11.06
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
FLAD ARTUR
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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