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发明名称
Schaltungsanordnung fuer Hochfrequenztelephonieanlagen mit mehreren Sprechbezirken
摘要
申请公布号
DE713907(C)
申请公布日期
1941.11.18
申请号
DE1939L098673D
申请日期
1939.08.02
申请人
ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT
发明人
SCHWEIMER DR.-ING. KLAUS PETER
分类号
H04M3/40
主分类号
H04M3/40
代理机构
代理人
主权项
地址
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