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经营范围
发明名称
Sweep circuit
摘要
申请公布号
US2986702(A)
申请公布日期
1961.05.30
申请号
US19550479364
申请日期
1955.01.03
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
SCHRECONGOST RAY
分类号
H03K4/43;H03K4/86;H04N5/12
主分类号
H03K4/43
代理机构
代理人
主权项
地址
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