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发明名称
Manufacture of rectifier elements
摘要
申请公布号
US2261348(A)
申请公布日期
1941.11.04
申请号
US19380238493
申请日期
1938.11.02
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
DOUCOT ROGER
分类号
H01L21/16
主分类号
H01L21/16
代理机构
代理人
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