{TAIL ~ A fluid supply channel} including a mixing chamber is defined in the base portion and communicating with the fuel cell membrane electrode assembly for supplying {HEAD ~ a fuel} bearing fluid to the membrane electrode assembly 
{ TAIL ~ A fluid supply channel } including a mixing chamber is defined in the base portion and communicating with the fuel cell membrane electrode assembly for supplying { HEAD ~ a fuel } bearing fluid to the membrane electrode assembly
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH