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Priority to JP17723982UpriorityCriticalpatent/JPS5982719U/ja
Publication of JPS5982719UpublicationCriticalpatent/JPS5982719U/ja
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Publication of JPS6217216Y2publicationCriticalpatent/JPS6217216Y2/ja
Vorrichtung zur Herstellung von Bauplatten, deren äußerer Mantel aus einer Gießmasse, z.B. Gips, besteht und die im Inneren einen Verdrängerkern aufweisen