Swimming pool recreation system with water pumped up within guide - has guide extending above water surface, with pusher forcing water upward to move person within
NL9002824A
Swimming pool recreation system with water pumped up within guide - has guide extending above water surface, with pusher forcing water upward to move person within
NL7905223A
Measuring device on bulk goods conveyance installation - has flexible transporter passing over movable reversal element producing reaction force signal
