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发明名称
DIRECTIONAL COUPLER
摘要
申请公布号
GB8801329(D0)
申请公布日期
1988.02.17
申请号
GB19880001329
申请日期
1988.01.21
申请人
PLESSEY CO LTD
发明人
分类号
主分类号
代理机构
代理人
主权项
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