Speed reducer being a power transmission device for engines used in car system; speed governors for machines, engines and motors; shaft couplings for machines; chainwheel being parts of machines, namely, engines used in car system; rack and pinion jacks, namely, power jacks; machine wheelwork; dynamos

'car':12,34 'chainwheel':25 'coupl':22 'devic':7 'dynamo':45 'engin':9,18,31 'governor':15 'jack':39,42 'machin':17,24,29,43 'motor':20 'name':30,40 'part':27 'pinion':38 'power':5,41 'rack':36 'reduc':2 'shaft':21 'speed':1,14 'system':13,35 'transmiss':6 'use':10,32 'wheelwork':44

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