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Application filed by Prodor Fabrique De Produits Or, Marcel Levy DrfiledCriticalProdor Fabrique De Produits Or
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Publication of AT108137BpublicationCriticalpatent/AT108137B/de
AT108137D1921-11-161922-10-26Kunststeingegenstände, bestehend aus zerkleinertem Steinmaterial und einem schmelzbaren Stoff als Bindemittel.
AT108137B
(de)