Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Retractable cover
A retractable cover for use over an opening such as a swimming pool is described. The cover comprises a number i (i≥3) of supporting joist means, each joist having a top and bottom surface; an even number j (j
Retractable cover
A retractable cover for use over an opening such as a swimming pool is described. The cover comprises a number i (i≥3) of supporting joist means, each joist having a top and bottom surface; an even number j (j
Retractable cover
BLACK ROBERT DAVID (Autor:in) / BLACK JOHN ALEXANDER (Autor:in)
23.02.2017
Patent
Elektronische Ressource
Englisch