{HEAD ~ The present invention} relates to an electromagnetic piston engine capable of producing driving power by a reciprocal movement of a piston in {TAIL ~ a cylinder} by electromagnetic force 
{ HEAD ~ The present invention } relates to an electromagnetic piston engine capable of producing driving power by a reciprocal movement of a piston in { TAIL ~ a cylinder } by electromagnetic force
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH