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经营范围
发明名称
Improvements in or relating to teleprinter exchange systems
摘要
申请公布号
GB498416(A)
申请公布日期
1939.01.09
申请号
GB19370019112
申请日期
1937.07.09
申请人
STANDARD TELEPHONES AND CABLES LIMITED;GILBERT ANTHONY MULLINS HYDE
发明人
分类号
H04L12/00
主分类号
H04L12/00
代理机构
代理人
主权项
地址
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