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Andamio volante perfeccionado, caracterizado porque cada módulo, de los que se compone, lleva dispuestos en ambos lados de un extremo dos pletinas con el bulón transversal, y en los dos lados del otro extremo lleva sendos ganchos, cuyas gargantas están cerradas por unas pinzas sometidas a la acción de unos resortes; dicho andamio pende de unos soportes, con que está dotado en el centro de los extremos de cada módulo, llevando así mismo sendas defensas abatibles en los extremos de la barandilla trasera de estos últimos.
Processo para unir um par de componentes em chapas de metal ou semelhante e para instalar um fixador num componente bem como fixador para uso nos mesmos
Application of the finite differences method to the calculation of rectangular plates with several types of boundary restraint acting on the same side(Flexural elastic behavior of rectangular plates with boundary restraint acting on same side using finite differences method)