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经营范围
发明名称
Metal tube
摘要
申请公布号
US2121600(A)
申请公布日期
1938.06.21
申请号
US19360097977
申请日期
1936.08.26
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
KNOWLES DEWEY D.;LOWRY ERWIN F.
分类号
H01J5/26;H01J5/42
主分类号
H01J5/26
代理机构
代理人
主权项
地址
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