{HEAD ~ A drive system} for a hydraulic elevator installation without a machine room including an electric motor , a hydraulic pump , {TAIL ~ an oil tank} , valves and a control apparatus mounted in a cabinet  
{ HEAD ~ A drive system } for a hydraulic elevator installation without a machine room including an electric motor , a hydraulic pump , { TAIL ~ an oil tank } , valves and a control apparatus mounted in a cabinet
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH