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经营范围
发明名称
Safety means for television tubes
摘要
申请公布号
GB446171(A)
申请公布日期
1936.04.14
申请号
GB19340029091
申请日期
1934.10.11
申请人
RADIOAKTIENGESELLSCHAFT D. S. LOEWE
发明人
分类号
H04N3/20
主分类号
H04N3/20
代理机构
代理人
主权项
地址
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