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经营范围
发明名称
Contactor base for electric lamps, tubes, and the like
摘要
申请公布号
US2185981(A)
申请公布日期
1940.01.02
申请号
US19390267025
申请日期
1939.04.10
申请人
HYGRADE SYLVANIA CORPORATION
发明人
HALLER CYRUS W.
分类号
H01J5/54
主分类号
H01J5/54
代理机构
代理人
主权项
地址
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