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经营范围
发明名称
NONRECIPROCAL TRANSISTOR NETWORK
摘要
申请公布号
US3497836(A)
申请公布日期
1970.02.24
申请号
USD3497836
申请日期
1968.10.15
申请人
BELL TELEPHONE LAB. INC.
发明人
RICHARD W. DANIELS
分类号
H03H11/42;(IPC1-7):H01P1/32
主分类号
H03H11/42
代理机构
代理人
主权项
地址
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