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经营范围
发明名称
Television apparatus
摘要
申请公布号
US1768893(A)
申请公布日期
1930.07.01
申请号
US19290361824
申请日期
1929.05.09
申请人
ERNEST DEUTSCH
发明人
DEUTSCH ERNEST
分类号
H04N3/04
主分类号
H04N3/04
代理机构
代理人
主权项
地址
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