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发明名称
METHOD FOR MEASURING DIRECTIONAL ANTENNA GAIN
摘要
申请公布号
JPH0357971(A)
申请公布日期
1991.03.13
申请号
JP19890195187
申请日期
1989.07.27
申请人
SUMITOMO METAL MINING CO LTD
发明人
NAITOU HIROSHI
分类号
G01R29/10
主分类号
G01R29/10
代理机构
代理人
主权项
地址
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