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Contratas S A Precon
PREFABRICACIONES
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Contratas S A Precon
PREFABRICACIONES
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Priority to ES402311ApriorityCriticalpatent/ES402311A1/es
Publication of ES402311A1publicationCriticalpatent/ES402311A1/es
Metodo de fabricacion de piezas moldeadas a base de cementou hormigon, utilizando moldes perdidos, que quedan incorpo- rados a la pieza como embalaje protector.