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发明名称
Incandescent lamp with blackening collector screen
摘要
申请公布号
US2933632(A)
申请公布日期
1960.04.19
申请号
US19570692775
申请日期
1957.10.28
申请人
GENERAL ELECTRIC COMPANY
发明人
LEIGHTON LEROY G.
分类号
H01K1/26
主分类号
H01K1/26
代理机构
代理人
主权项
地址
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