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Priority to JP14745388UpriorityCriticalpatent/JPH0627626Y2/ja
Publication of JPH0269942UpublicationCriticalpatent/JPH0269942U/ja
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Publication of JPH0627626Y2publicationCriticalpatent/JPH0627626Y2/ja
Method for producing aggregate used in hardening compositions, predominantly concretes, a fluidized-bed kiln for calcining mineral stock by means of same method, and an aggregate produced by same method