首页>
外国专利>
A device in order to keep the gaps between the bearing housing and the guide rollers waves of a vortex - bed for textile - or german well from the solid the conditioning of the particles of the fluidized bed together haen
A device in order to keep the gaps between the bearing housing and the guide rollers waves of a vortex - bed for textile - or german well from the solid the conditioning of the particles of the fluidized bed together haen