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经营范围
发明名称
Cathode ray tube
摘要
申请公布号
US2342778(A)
申请公布日期
1944.02.29
申请号
US19390268262
申请日期
1939.04.17
申请人
HANNS-HEINZ WOLFF
发明人
WOLFF HANNS-HEINZ
分类号
H01J29/24
主分类号
H01J29/24
代理机构
代理人
主权项
地址
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