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Priority to JP1981030312UpriorityCriticalpatent/JPS643412Y2/ja
Publication of JPS57142946UpublicationCriticalpatent/JPS57142946U/ja
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Publication of JPS643412Y2publicationCriticalpatent/JPS643412Y2/ja
Method for producing a hybrid cushion element, in particular a seat and backrest cushion element for use in a motor vehicle, cushion element and vehicle seat having a cushion element