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Priority to JP6171181UpriorityCriticalpatent/JPS6212412Y2/ja
Publication of JPS57173839UpublicationCriticalpatent/JPS57173839U/ja
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Publication of JPS6212412Y2publicationCriticalpatent/JPS6212412Y2/ja
Single-vaned rotary discharge assistant operable in a side outlet of a container for granular material, and a weighted apron engaging said vane in its outermost position