Both winding assemblies are housed in an internal space of the casing, and {HEAD ~ a synthetic resin} is filled in the internal space of {TAIL ~ the casing} and cured 
Both winding assemblies are housed in an internal space of the casing , and { HEAD ~ a synthetic resin } is filled in the internal space of { TAIL ~ the casing } and cured
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH