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发明名称
Directivity control apparatus
摘要
申请公布号
EP1808932(B1)
申请公布日期
2008.09.03
申请号
EP20070100505
申请日期
2002.05.08
申请人
NEC CORPORATION
发明人
HIRABE, MASASHI
分类号
H01Q3/26;H04B7/06;H04B7/26;H04W16/28
主分类号
H01Q3/26
代理机构
代理人
主权项
地址
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