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发明名称
Lamp base
摘要
申请公布号
US2995723(A)
申请公布日期
1961.08.08
申请号
US19570637196
申请日期
1957.01.30
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
SHAPPELL STANLEY C.;THOMAS RALPH B.
分类号
H01J5/56
主分类号
H01J5/56
代理机构
代理人
主权项
地址
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