According to a fourth aspect, {HEAD ~ an improvement} is made on {TAIL ~ the electromagnetic drive}, which can be applied not only to the electromagnetically controlled spring clutch mechanism, but also to other types of electromagnetic clutch mechanisms 
According to a fourth aspect , { HEAD ~ an improvement } is made on { TAIL ~ the electromagnetic drive } , which can be applied not only to the electromagnetically controlled spring clutch mechanism , but also to other types of electromagnetic clutch mechanisms
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL 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 OTH OTH OTH