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发明名称
SEMI-CONDUCTOR SWITCHING DEVICE
摘要
申请公布号
CA657345(A)
申请公布日期
1963.02.05
申请号
CAD657345
申请日期
申请人
ZENITH RADIO CORPORATION
发明人
GEORGE WERTWIJN
分类号
主分类号
代理机构
代理人
主权项
地址
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