发明名称 Noise generator for use by observers at sporting events consists of central panel sandwiched between two pivoting outer panels
摘要 <p>A hand-held noise generator consists of a central panel sandwiched between two pivoting outer panels. The unit is operated by rapid forward and reverse action, causing impingement between adjacent panels.</p>
申请公布号 DE202004000314(U1) 申请公布日期 2004.03.18
申请号 DE20042000314U 申请日期 2004.01.09
申请人 EMKA BESCHLAGTEILE GMBH & CO. KG 发明人
分类号 G10K3/00;(IPC1-7):G10K3/00 主分类号 G10K3/00
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