... *Usage:Drainage for Cities and Towns *Efficiency product namecentrifugal concrete pipe machineinterface typesocket and plug type, flat mouth type, ... available to use on the machine, such as flat, I stand, jack and other commitments. The machines are sold ... 69-687 r/min 65-653 r/minAdvantage: Invironment protection, concrete materails consupion low, no serosityApplacation: Highway curlvert, drian off ...