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经营范围
发明名称
Muting system for radio receivers
摘要
申请公布号
US2546401(A)
申请公布日期
1951.03.27
申请号
US19470743686
申请日期
1947.04.24
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
JR. MADISON G. NICHOLSON,;SCOTT MAXWELL C.
分类号
H03G3/26
主分类号
H03G3/26
代理机构
代理人
主权项
地址
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