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经营范围
发明名称
Kathodenstrahlenoszillograph
摘要
申请公布号
DE557823(C)
申请公布日期
1932.08.29
申请号
DED557823D
申请日期
1930.08.09
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
分类号
H01J31/12
主分类号
H01J31/12
代理机构
代理人
主权项
地址
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