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经营范围
发明名称
Precision impedances
摘要
申请公布号
US2718576(A)
申请公布日期
1955.09.20
申请号
US19510209832
申请日期
1951.02.07
申请人
LEEDS AND NORTHRUP COMPANY
发明人
KRATOCHVIL KENNETH V.;VOELKER WALTER D.
分类号
H01C17/22
主分类号
H01C17/22
代理机构
代理人
主权项
地址
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