Method, device for manufacturing a concrete building element and building element thus manufactured.
NL2000720C1
Method for manufacturing structural element for swimming pool, involves de-aerating formwork through de-aerated opening arranged at upper panel such that openings are permeable to air but non-permeable to water
NL2000628C1
Concrete basin constructing method for swimming pool, involves arranging inner covering on inner side of walls and bottom of basin, where covering is arranged before construction elements are transported to construction site
NL2000524C2
Frame structure such as stepladder for securing to side of e.g. yacht or swimming pool, movable via couplings between vertical and horizontal positions
NL2000522C2
Swimming pool basin with cleaning through improved flow.
NL2000452C2
Movable floor suitable for installation above a swimming pool.
NL2000445C2
Swimming pool basin, elements and method for manufacturing such a basin.
