{HEAD ~ The brake pressure control valve assembly} 1, wherein {TAIL ~ said piston} is adapted to return automatically upon the first pressurization after said defective circuit has been repaired 
wherein
{ HEAD ~ The brake pressure control valve assembly } 1 , wherein { TAIL ~ said piston } is adapted to return automatically upon the first pressurization after said defective circuit has been repaired
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH