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发明名称
Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb
摘要
申请公布号
DE740301(C)
申请公布日期
1944.11.13
申请号
DE1939M144186D
申请日期
1939.02.09
申请人
MIX & GENEST AG.
发明人
HEYDUCK ALFRED;GLOYSTEIN DIPL.-ING. HEINZ
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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