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经营范围
发明名称
WIDE RANGE, HIGH IMPEDANCE VOLTMETER
摘要
申请公布号
CA523240(A)
申请公布日期
1956.03.27
申请号
CAD523240
申请日期
申请人
MIDWEST RESEARCH INSTITUTE
发明人
JEROME BREWER
分类号
主分类号
代理机构
代理人
主权项
地址
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