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发明名称
Light amplifying attachment for neon tubes
摘要
申请公布号
US2404627(A)
申请公布日期
1946.07.23
申请号
US19430508227
申请日期
1943.10.29
申请人
GOLDBERG ABRAHAM A
发明人
GOLDBERG ABRAHAM A.
分类号
F21V5/00;F21V7/00;F21V8/00;F21V17/04
主分类号
F21V5/00
代理机构
代理人
主权项
地址
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