A gas supplying apparatus 1, wherein said feed means is {HEAD ~ pressurized gas} introduced into {TAIL ~ said auxiliary vessel} 
introduced into
A gas supplying apparatus 1 , wherein said feed means is { HEAD ~ pressurized gas } introduced into { TAIL ~ said auxiliary vessel }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL