{HEAD ~ An object} of the present invention is to solve the above problems of the conventional apparatus and provide {TAIL ~ a rotating polygon mirror driving apparatus} which permits realization of decreases in the cost and thickness without deteriorating the precision of bearings 
is to provide
{ HEAD ~ An object } of the present invention is to solve the above problems of the conventional apparatus and provide { TAIL ~ a rotating polygon mirror driving apparatus } which permits realization of decreases in the cost and thickness without deteriorating the precision of bearings
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