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发明名称
REACTANCE DEVICE
摘要
申请公布号
CA452404(A)
申请公布日期
1948.11.02
申请号
CAD452404
申请日期
申请人
THE UNION SWITCH AND SIGNAL COMPANY
发明人
LESLIE R. ALLISON
分类号
主分类号
代理机构
代理人
主权项
地址
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