A small synchronous motor with high reliability so devised that {HEAD ~ transition} from {TAIL ~ start operation} to synchronous operation is ensured 
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A small synchronous motor with high reliability so devised that { HEAD ~ transition } from { TAIL ~ start operation } to synchronous operation is ensured
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH