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发明名称
CONCENTRIC CO-PLANAR MULTIBAND ELECTRO-ACOUSTIC CONVERTER
摘要
申请公布号
EP1350414(A1)
申请公布日期
2003.10.08
申请号
EP20010272441
申请日期
2001.12.21
申请人
SAGREN, ANDERS
发明人
SAGREN, ANDERS
分类号
H04R9/06;H04R1/24;H04R9/02;(IPC1-7):H04R1/24
主分类号
H04R9/06
代理机构
代理人
主权项
地址
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