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发明名称
摘要
Sound-absorbing air vent for rooms having openings that are selectively opened or closed by an electrical motor which is controlled by a sound-sensitive element.
申请公布号
CH625874(A5)
申请公布日期
1981.10.15
申请号
CH19780001132
申请日期
1978.02.02
申请人
SIEGENIA-FRANK KG
发明人
ECKHARD KUCHARCZYK
分类号
E05F15/20;F24F11/00;F24F13/24;(IPC1-7):24F13/10;06B5/20;10K11/00
主分类号
E05F15/20
代理机构
代理人
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地址
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