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发明名称
ELECTRONICALLY SWITCHABLE MULTI-BAND HETERODYNE CIRCUITRY
摘要
申请公布号
PL154011(B1)
申请公布日期
1991.06.28
申请号
PL19860262357
申请日期
1986.11.13
申请人
发明人
分类号
H03J;H03J3/28;H04B;H04B1/26;(IPC1-7):H03J3/28
主分类号
H03J
代理机构
代理人
主权项
地址
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