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发明名称
Two-stage oscillograph
摘要
申请公布号
US2216266(A)
申请公布日期
1940.10.01
申请号
US19370132323
申请日期
1937.03.22
申请人
FARNSWORTH TELEVISION & RADIO CORPORATION
发明人
FARNSWORTH PHILO T.
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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