发明名称 PROCEDIMIENTO Y DISPOSITIVO PARA PRODUCIR CAPAS EXTERIORES DE PIEDRA U OTRAS PARTICULAS EN LA SUPERFICIES DE MASAS DE HORMIGON U OTROS MATERIALES ENDURECIBLES.
摘要 <p>1429377 Cementitious bodies A GRUBSTAD 4 July 1973 [10 July 1972] 31908/73 Heading C4H [Also in Division B5] A flexible carrier having partially embedded particles is used as a lining in at least one mould surface during casting of a cementitious body the carrier being removed when the body has hardened sufficiently, to expose the surface -with the particles which can be of stone or glass. Asbestos-cement can be cast and the body can be coloured.</p>
申请公布号 ES416755(A1) 申请公布日期 1976.02.01
申请号 ES19550004167 申请日期 1973.07.10
申请人 GRUBSTAD 发明人
分类号 E04F13/02;B28B7/34;B28B23/00;(IPC1-7):28C/;04B/ 主分类号 E04F13/02
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