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经营范围
发明名称
Acoustic horn
摘要
申请公布号
US6837334(B1)
申请公布日期
2005.01.04
申请号
US20000647026
申请日期
2000.11.06
申请人
LE PREVOST DOMINIC
发明人
LE PREVOST DOMINIC
分类号
G10K11/02;G10K11/08;(IPC1-7):G01K11/00
主分类号
G10K11/02
代理机构
代理人
主权项
地址
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