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