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经营范围
发明名称
Television apparatus
摘要
申请公布号
US2077030(A)
申请公布日期
1937.04.13
申请号
US19290391731
申请日期
1929.09.11
申请人
MILDRED S. REISMAN
发明人
BIRCH-FIELD CHARLES A.
分类号
H04N3/10
主分类号
H04N3/10
代理机构
代理人
主权项
地址
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