ES18910A1 - La elaboración de bloques de piedra artificial con enchufles formados con cemento, piedra y arena, para la construcción de muros.
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La elaboración de bloques de piedra artificial con enchufles formados con cemento, piedra y arena, para la construcción de muros.
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ES18910A1896-04-101896-04-10La elaboración de bloques de piedra artificial con enchufles formados con cemento, piedra y arena, para la construcción de muros.
ExpiredES18910A1
(es)
Improvements in the Manufacture or Production of Blocks or Slabs for Use for Flooring, Paving, or in Step, or Staircase, or Wall Construction, and for analogous purposes.
Piedras artificiales o ladrillos con molduras salientes para la construcción de muros huecos y muros huecos ejecutados con piedras con molduras o lomos prominentes.