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发明名称
MANDRELS FOR AND METHODS OF FABRICATING ELECTRON DISCHARGE DEVICES
摘要
申请公布号
CA472444(A)
申请公布日期
1951.03.27
申请号
CAD472444
申请日期
申请人
CANADIAN WESTINGHOUSE COMPANY
发明人
WILLIAM A. HAYES
分类号
主分类号
代理机构
代理人
主权项
地址
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