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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to JP457075ApriorityCriticalpatent/JPS51134237A/en
Publication of JPS51134237ApublicationCriticalpatent/JPS51134237A/en
PURPOSE: To provide a playground slide in which a seat slides down by the weight of a player sitting on the seat and return to the original top of the slide by a weight when the player leaves the seat.