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发明名称
Point-contact electrical device
摘要
申请公布号
US2586609(A)
申请公布日期
1952.02.19
申请号
US19500164836
申请日期
1950.05.27
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
JR. EDWARD W. BURKE,
分类号
H01L23/31;H01L29/00;H01L31/06
主分类号
H01L23/31
代理机构
代理人
主权项
地址
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