ES211297A3 - A perfection in acoustic air-based emitters with supercompression chamber (Machine-translation by Google Translate, not legally binding)
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A perfection in acoustic air-based emitters with supercompression chamber (Machine-translation by Google Translate, not legally binding)
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Improvements in air-powered acoustic emitters with supercompression chamber characterized by being constituted by a casing or shell formed by two bodies of circular section having at their points of attachment various ears drilled to allow their unión by means of screws or the like; said body also having flanges or projections on its circumference as well as on the ends of said ears to better facilitate its coupling to the opposing body; both bodies having a bottom constituted by a spherical cap that leaves in its interior formed chambers. (Machine-translation by Google Translate, not legally binding)
ES211297A1953-09-181953-09-18A perfection in acoustic air-based emitters with supercompression chamber (Machine-translation by Google Translate, not legally binding)
ExpiredES211297A3
(en)
Boquilla for the manufacture of artificial casings and analogous tubular plastic elements (Machine-translation by Google Translate, not legally binding)