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发明名称
Electronic voltmeter with a plurality of inputs
摘要
申请公布号
US2588209(A)
申请公布日期
1952.03.04
申请号
US19470790281
申请日期
1947.12.08
申请人
MICHAEL R. KLEIN
发明人
CRAPUCHETTES PAUL W.
分类号
H03K21/08
主分类号
H03K21/08
代理机构
代理人
主权项
地址
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