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发明名称
Fremgangsmaade ved Telegrafering til automatisk Opretning af modtagne Wheatstonesignaler med tilhørende Apparat til Fremgangsmaadens Udførelse.
摘要
申请公布号
DK47973(C)
申请公布日期
1933.11.06
申请号
DKD47973
申请日期
1932.07.23
申请人
THORVALD CHRISTIAN VALDEMAR NIELSEN
发明人
THORVALD CHRISTIAN VALDEMAR NIELSEN
分类号
主分类号
代理机构
代理人
主权项
地址
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