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发明名称
Electronic resistance-change meter
摘要
申请公布号
US2830265(A)
申请公布日期
1958.04.08
申请号
US19550528061
申请日期
1955.08.12
申请人
THE PURE OIL COMPANY
发明人
ELLISON LYNN E.
分类号
G01R17/10
主分类号
G01R17/10
代理机构
代理人
主权项
地址
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