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发明名称
Improvements in devices for sensing perforated tapes for signal transmission
摘要
申请公布号
GB841297(A)
申请公布日期
1960.07.13
申请号
GB19570014074
申请日期
1957.05.02
申请人
COMPAGNIE INDUSTRIELLE DES TELEPHONES
发明人
分类号
H04L13/06;H04L17/12
主分类号
H04L13/06
代理机构
代理人
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