发明名称 Resonator for acoustic correction of a room and wall making application thereof
摘要 The resonator according to the invention consists of a parallelepipedal box 1 of folded sheet metal, comprising at the front a slot 2 forming a neck for connecting the internal volume of the box, filled with a sound-absorbing material 3, to the outside. <IMAGE>
申请公布号 FR2624640(A1) 申请公布日期 1989.06.16
申请号 FR19870017472 申请日期 1987.12.15
申请人 BAFLEX 发明人 MARCEL VAL
分类号 G10K11/172 主分类号 G10K11/172
代理机构 代理人
主权项
地址