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经营范围
发明名称
ELECTRON DEVICE WITH LONG ELECTRON PATH
摘要
申请公布号
CA504361(A)
申请公布日期
1954.07.13
申请号
CAD504361
申请日期
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
ALBERT M. CLOGSTON
分类号
主分类号
代理机构
代理人
主权项
地址
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