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发明名称
Lamp sealing apparatus
摘要
申请公布号
US2262760(A)
申请公布日期
1941.11.18
申请号
US19400342968
申请日期
1940.06.28
申请人
HYGRADE SYLVANIA CORPORATION
发明人
GARDNER ROLAND M.;ALLEN RALPH L.
分类号
H01J9/40
主分类号
H01J9/40
代理机构
代理人
主权项
地址
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