The apparatus includes an original holder for holding thereon an original from which multiple copies are to be made and an optical system for leading a light image of the original to a desired position, {HEAD ~ the optical system} constituting {TAIL ~ a part} of the exposure system of the apparatus 
constituting
The apparatus includes an original holder for holding thereon an original from which multiple copies are to be made and an optical system for leading a light image of the original to a desired position , { HEAD ~ the optical system } constituting { TAIL ~ a part } of the exposure system of the apparatus
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