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发明名称
PHOTO-ELECTRIC CELL
摘要
申请公布号
CA386396(A)
申请公布日期
1940.01.16
申请号
CAD386396
申请日期
申请人
CANADIAN GENERAL ELECTRIC COMPANY
发明人
CLARENCE W. HEWLETT
分类号
主分类号
代理机构
代理人
主权项
地址
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