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发明名称
Lampe à trois ou plus de trois électrodes
摘要
申请公布号
FR803419(A)
申请公布日期
1936.09.30
申请号
FRD803419
申请日期
1936.03.13
申请人
FARNSWORTH TELEVISION INCORPORATED
发明人
分类号
H01J19/30
主分类号
H01J19/30
代理机构
代理人
主权项
地址
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