专利汇可以提供Diffused aeration pipe apparatus for use with an aeration tank专利检索,专利查询,专利分析的服务。并且A diffused aeration pipe apparatus for use with an aeration tank comprising a plurality of air supply pipes pivotably connected to each other by way of swivel joints and an air diffusion pipe at the lower end of said air supply pipe system wherein a guide member for pulling a hoisting rope therealong is provided along the vertical bent portion of an upper most air supply pipe for reducing the moment of rotation required for hoisting the piping system, each adjacent two air supply pipes in said piping system having a projection piece and a projection lever engaging thereto respectviely for restricting the rotation of said two adjacent pipes within a predetermined angle. A movable carriage having an electric motor, a speed retarder for said motor, a winding up wheel pivotally connected to the power shaft of said retarder and a control panel for said electric motor thereon is provided for enabling the successive hoisting and descending of the diffused aeration pipe apparatus.,下面是Diffused aeration pipe apparatus for use with an aeration tank专利的具体信息内容。
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