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发明名称
Electric-current rectifier
摘要
申请公布号
US1794037(A)
申请公布日期
1931.02.24
申请号
US19280329465
申请日期
1928.12.31
申请人
P. R. MALLORY & CO. INCORPORATED
发明人
SHOEMAKER HARRY
分类号
H01L25/07
主分类号
H01L25/07
代理机构
代理人
主权项
地址
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