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Una montura perfeccionada para lentes, en la que los aros porta-lentes se hacen solidarios de la barra de apoyo o armadura, propiamente dicha, mediante un par de pequeños tubos con fileteado interior que van equidistantemente soldados sobre la parte interna de cada uno de los arcos, insertándose los aros porta-lentes en dichos tubitos merced a taladros "ad hoc" de la parte superior de los mismos y asegurándose sólidamente a la barra de apoyo por sendos tornillos de cabeza semiesférica y relativos a los propios tubos roscados.
ES0076564U1959-10-241959-10-24Nueva montura perfeccionada para lentes
PendingES76564U
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Kulbuelampe med et optisk system i kardansk ophængning og en elektromagnet til stabilisering af lysbuen, navnlig til kinematografiske projektionsapparater.