| 摘要 |
A disc player 10 which moves a disc stopper 55 controlling the movement of a drawn disc 1 and clamps and chucks the disc on a turntable, wherein the disc stopper is designed so that is it positioned in a positioning position where the disc and the turntable are positioned concentric with each other and in a retracted position where the disc stopper is spaced from the disc clamped and chucked to a turntable.
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