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经营范围
发明名称
FREQUENCY SELECTIVE CIRCUIT WITH OUTPUT ACCORDING TO A RATIO OF ALTERNATING CURRENT SIGNALS-TO-DIRECT CURRENT SIGNALS WHICH VARIES WITH FREQUENCY
摘要
申请公布号
US3462614(A)
申请公布日期
1969.08.19
申请号
USD3462614
申请日期
1965.10.24
申请人
BERRY IND. INC.
发明人
EDSON L. BARLOW JR.
分类号
G08C19/12;(IPC1-7):H03K17/60;H03K17/70
主分类号
G08C19/12
代理机构
代理人
主权项
地址
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