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发明名称
Elektrisk tvåvägsöverföringsanläggning
摘要
申请公布号
FI22225(A)
申请公布日期
1947.07.17
申请号
FID22225
申请日期
1939.07.04
申请人
STANDARD ELECTRIC A/S
发明人
LONG ARTHUR LESLIE
分类号
H04B3/50;(IPC1-7):H04B3/50
主分类号
H04B3/50
代理机构
代理人
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