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Free flight device, especially badminton shuttlecock, contains a light emitting component
Free flight device, especially badminton shuttlecock, contains a light emitting component
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机译：自由飞行装置，特别是羽毛球shuttle球，包含发光组件
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摘要
The device (1) contains a light emitting component (7). A device for throwing into free flight and designed to be used as a toy, e.g. in combination with a racket, contains a light emitting component.
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