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发明名称
Electronic tube
摘要
申请公布号
US2123159(A)
申请公布日期
1938.07.05
申请号
US19340736703
申请日期
1934.07.24
申请人
RADIOAKTIENGESELLSCHAFT D.S. LOEWE
发明人
SCHLESINGER KURT
分类号
H03B13/00
主分类号
H03B13/00
代理机构
代理人
主权项
地址
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