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发明名称
Electric discharge lamp
摘要
申请公布号
US2290828(A)
申请公布日期
1942.07.21
申请号
US19400325247
申请日期
1940.03.21
申请人
HYGRADE SYLVANIA CORPORATION
发明人
COX JAMES L.
分类号
H01J61/067
主分类号
H01J61/067
代理机构
代理人
主权项
地址
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