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发明名称
Improvements in type printing telegraph systems
摘要
申请公布号
GB632774(A)
申请公布日期
1949.12.05
申请号
GB19400008143
申请日期
1940.05.06
申请人
HENDRIK CORNELIS ANTHONY VAN DUUREN
发明人
分类号
H04L1/00;H04L1/18;H04L17/12
主分类号
H04L1/00
代理机构
代理人
主权项
地址
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