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A process for preparing, by casting vertical centrifuge, hollow cylinders IRON, STEEL AND ALL KINDS OF PERFECTLY HOMOGENEOUS AND CONCENTRIC AND THICK WALLS PERFECTLY REGULARES, ESPECIALLY FOR APPLYING METAL
A process for preparing, by casting vertical centrifuge, hollow cylinders IRON, STEEL AND ALL KINDS OF PERFECTLY HOMOGENEOUS AND CONCENTRIC AND THICK WALLS PERFECTLY REGULARES, ESPECIALLY FOR APPLYING METAL
