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发明名称
Glow-tube measuring device
摘要
申请公布号
US1762712(A)
申请公布日期
1930.06.10
申请号
US19250049359
申请日期
1925.08.10
申请人
GENERAL ELECTRIC COMPANY
发明人
CHARLTON ERNEST E.
分类号
G01R1/30
主分类号
G01R1/30
代理机构
代理人
主权项
地址
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