发明名称 Dust collection apparatus
摘要 Apparatus for a home workshop to collect wood dust from a plurality of work stations and deposit the dust in a container. There are suction hoses, one to each work station. At their outlet ends, the hoses are connected to a single control means operable to selectively connect one hose at a time to the container.
申请公布号 US4977638(A) 申请公布日期 1990.12.18
申请号 US19890402559 申请日期 1989.09.05
申请人 发明人
分类号 A47L5/38;A47L7/00 主分类号 A47L5/38
代理机构 代理人
主权项
地址