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发明名称
Improvements in or relating to keyboard perforators for perforating teleprinter tapes
摘要
申请公布号
GB791245(A)
申请公布日期
1958.02.26
申请号
GB19550016262
申请日期
1955.06.06
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
H04L17/08
主分类号
H04L17/08
代理机构
代理人
主权项
地址
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