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经营范围
发明名称
Reflex circuit system
摘要
申请公布号
US2863066(A)
申请公布日期
1958.12.02
申请号
US19540433190
申请日期
1954.05.28
申请人
RADIO RECEPTOR COMPANY, INC.
发明人
WITT DAVID DE;SANDLER HAROLD;WITTENBERG ROLAND C.
分类号
H03F3/46
主分类号
H03F3/46
代理机构
代理人
主权项
地址
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