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Priority to ES1982272079UpriorityCriticalpatent/ES272079Y/en
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Publication of ES272079YpublicationCriticalpatent/ES272079Y/en
Complex vulometric composition, characterized by being composed of a single block of appropriate material and shape, which has two small secondary blocks corresponding to the protruding parts to be formed, cut out forming concavities that determine two opposing planes for support and sliding of the secondary blocks, which are in turn cut analogously in small superimposed portions, relatively displaced, either in the same direction, or in an orthogonal, oblique and other direction, until forming the corresponding projections. (Machine-translation by Google Translate, not legally binding)