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ES1979243637U1979-05-301979-05-30Cierre tensor, provisto de una cuna tensora, para la union tensada de elementos de encofrado en obras de construccion.
ExpiredES243637Y
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Fremgangsmaade til spaending og forankring af et boejeligt armeringsorgan i en cirkulaer vaeg,specielt en betonbeholder- eller betonroervaeg,samt et ankerlegeme til udoevelse af fremgangsmaaden