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发明名称
Improvements in or relating to electrical diversity signalling systems
摘要
申请公布号
GB854720(A)
申请公布日期
1960.11.23
申请号
GB19590007272
申请日期
1959.03.03
申请人
LENKURT ELECTRIC CO. INC.
发明人
分类号
H04B7/12
主分类号
H04B7/12
代理机构
代理人
主权项
地址
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