A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
COLLAPSIBLE CANOPY FOR WORK AREA ON A ROOF
Which consists of a metal base with two hinged flanges which are temporarily secured to the roof with screws, and into which a vertical post sits, the top of which post contains an opening which accepts an adjustable horizontal arm which is secured in place by a bolt.
COLLAPSIBLE CANOPY FOR WORK AREA ON A ROOF
Which consists of a metal base with two hinged flanges which are temporarily secured to the roof with screws, and into which a vertical post sits, the top of which post contains an opening which accepts an adjustable horizontal arm which is secured in place by a bolt.
COLLAPSIBLE CANOPY FOR WORK AREA ON A ROOF
AUVENT REPLIABLE POUR UNE ZONE DE TRAVAIL SUR UN TOIT
PRESTON KEITH (author)
2023-03-08
Patent
Electronic Resource
English