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发明名称
Verfahren zur Messung der Verzerrung von telegrafischen Zeichen
摘要
申请公布号
DE745318(C)
申请公布日期
1944.03.21
申请号
DE1940S139762D
申请日期
1940.01.09
申请人
SIEMENS & HALSKE AG.
发明人
ERHARDT OTTO;BODENSTEIN DIPL.-ING. CAMILLO
分类号
H04L12/26;H04L25/04
主分类号
H04L12/26
代理机构
代理人
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地址
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