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ES5476A1885-11-171885-11-17Un procedimiento para la fabricación del cemento Portland u otro cemento hidráulico de cal y de yeso de Paris.
ExpiredES5476A1
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Un resultado industrial que consiste en bloques tubulares de cemento, cal, arena, yeso, arcilla o cualquier otra pasta para la construcción rápida y económica de edificios.
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.