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A procedure for removing free limescale from natural portland cement, artificial portland cement, rapid cement, hydraulic lime, grapiers, and other building materials.
An industrial result consisting of tubular blocks of cement, lime, sand, gypsum, clay or any other paste for the fast and economical construction of buildings.
Process for Hardening and Rendering Durable Coloured or Uncloured Objects Made of Soft or Porous Natural Stone, Plaster of Paris, Magnesite, Cement and the like.