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经营范围
发明名称
System for isolating multi-frequency signal components
摘要
申请公布号
US3327227(A)
申请公布日期
1967.06.20
申请号
US19630325799
申请日期
1963.11.22
申请人
LANGTHORNE SYKES;VERDES ESTATES PALOS;RUSSELL DUANE J;HANSEN CYRIL D
发明人
SYKES LANGTHORNE;ESTATES PALOS VERDES;RUSSELL DUANE J.;HANSEN CYRIL D.
分类号
H03H11/34
主分类号
H03H11/34
代理机构
代理人
主权项
地址
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