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发明名称
Electric changeover circuit arrangement
摘要
申请公布号
GB1045203(A)
申请公布日期
1966.10.12
申请号
GB19640005251
申请日期
1964.02.07
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
KELLY RICHARD;KELLY PATRICK STANLEY
分类号
H04B3/44
主分类号
H04B3/44
代理机构
代理人
主权项
地址
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