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