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发明名称
SELENIUM RECTIFIER ELEMENT
摘要
申请公布号
CA429996(A)
申请公布日期
1945.09.11
申请号
CAD429996
申请日期
申请人
FEDERAL TELEPHONE AND RADIO CORPORATION
发明人
OTTO SASLAW
分类号
主分类号
代理机构
代理人
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