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发明名称
Electrical instrument
摘要
申请公布号
US2460686(A)
申请公布日期
1949.02.01
申请号
US19440516947
申请日期
1944.01.04
申请人
THOMAS A. EDISON, INCORPORATED
发明人
FRITZINGER GEORGE H.
分类号
G01R5/16
主分类号
G01R5/16
代理机构
代理人
主权项
地址
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