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经营范围
发明名称
BALANCED SIGNAL MIXERS AND POWER DIVIDING CIRCUITS
摘要
申请公布号
US3477028(A)
申请公布日期
1969.11.04
申请号
USD3477028
申请日期
1966.12.28
申请人
BELL TELEPHONE LAB. INC.
发明人
ERIK W. ASLAKSEN
分类号
G01S13/44;H01P1/213;H03D9/06;(IPC1-7):H04B1/26
主分类号
G01S13/44
代理机构
代理人
主权项
地址
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