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Foerfaringssaett och apparat foer avskiljning av material med relativt stor taethet fraon material laegre taethet och saerskilt avskiljning av jord och sten fraon laegre traedstubbar eller dylikt
Kapsel foer foerflyttning av ett rinnande material medelst tryckdifferens i ett roer mellan en paofyllnings- och toemningsstation och anordning foer paofyllning och/eller toemning avapseln