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经营范围
发明名称
NEGATIVE IMPEDANCE DEVICE
摘要
申请公布号
CA806810(A)
申请公布日期
1969.02.18
申请号
CAD806810
申请日期
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
LARNED A. MEACHAM
分类号
主分类号
代理机构
代理人
主权项
地址
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