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经营范围
发明名称
Television receiver
摘要
申请公布号
US2050463(A)
申请公布日期
1936.08.11
申请号
US19310578906
申请日期
1931.12.04
申请人
GEORGE RAMSEY
发明人
RAMSEY GEORGE
分类号
H04N5/66
主分类号
H04N5/66
代理机构
代理人
主权项
地址
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