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CARTON BOIS C C B CONST
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CARTON BOIS C C B CONST
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Publication of ES208693A1publicationCriticalpatent/ES208693A1/en
Soundproofing, Sound Blocking, And Sound Damping
(AREA)
Abstract
Device for the absorption of sounds characterized in that it is constituted by a cellular element in which the cells are covered with felt or analogous material and in which at least one of the faces is provided with openings such as holes or slits in front of said cells. (Machine-translation by Google Translate, not legally binding)
ES0208693A1952-04-161953-04-09Device for the absorption of sounds (Machine-translation by Google Translate, not legally binding)
ExpiredES208693A1
(en)