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