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经营范围
发明名称
Dummy inner leads in wafer stems
摘要
申请公布号
US2892008(A)
申请公布日期
1959.06.23
申请号
US19550541460
申请日期
1955.10.19
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
CRESSWELL STEPHEN G.;SCHNERING CHARLES J.
分类号
H01J5/32
主分类号
H01J5/32
代理机构
代理人
主权项
地址
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