MASCHERA DI PROTEZIONE ATTACCHI MOLE ABRASIVE PER L'EDILIZIA TIPO FIKER BRETON PEDRINI A RIMOZIONE RAPIDA
摘要
<p>This invention comprises a single protective mask of the same dimensions as the multiple die used for casting the abrasive grinding wheels for construction, with guided openings which form funnels opposite each casting cavity. <IMAGE></p>
