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经营范围
发明名称
Underwater-use electroacoustic transducer
摘要
申请公布号
KR100517061(B1)
申请公布日期
2005.09.26
申请号
KR20030060793
申请日期
2003.09.01
申请人
发明人
分类号
H04R1/44;(IPC1-7):H04R1/44
主分类号
H04R1/44
代理机构
代理人
主权项
地址
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