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发明名称
Printing telegraphy
摘要
申请公布号
US2112306(A)
申请公布日期
1938.03.29
申请号
US19350013296
申请日期
1935.03.27
申请人
SIEMENS & HALSKE, AKTIENGESELLSCHAFT
发明人
ROSSBERG EHRHARD;WUSTENEY HERBERT
分类号
H04L12/02
主分类号
H04L12/02
代理机构
代理人
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地址
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