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经营范围
发明名称
Keyed integrate and dump filter having crystal as integrator
摘要
申请公布号
US3056890(A)
申请公布日期
1962.10.02
申请号
US19590822362
申请日期
1959.06.23
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
STOOPS SHERMAN L.;BENNETT JOHN E.
分类号
G06G7/18
主分类号
G06G7/18
代理机构
代理人
主权项
地址
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