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发明名称
Improvements in or relating to electric signal transmission systems
摘要
申请公布号
GB466418(A)
申请公布日期
1937.05.24
申请号
GB19350032471
申请日期
1935.11.22
申请人
AIAN DOWER BLUMLEIN
发明人
分类号
H01B11/00
主分类号
H01B11/00
代理机构
代理人
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