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发明名称
Schreibspindel zur bildpunktweisen Aufzeichnung von Telegrafiezeichen
摘要
申请公布号
DE732243(C)
申请公布日期
1943.03.17
申请号
DE1939H160327D
申请日期
1939.08.07
申请人
DR.-ING. RUDOLF HELL
发明人
EGE GEBHARD
分类号
H04L21/04
主分类号
H04L21/04
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代理人
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地址
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