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发明名称
Communications system
摘要
申请公布号
US2407417(A)
申请公布日期
1946.09.10
申请号
US19440568835
申请日期
1944.12.19
申请人
FARNSWORTH TELEVISION & RADIO CORPORATION
发明人
HALSTEAD WILLIAM S.
分类号
G08G1/0967
主分类号
G08G1/0967
代理机构
代理人
主权项
地址
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