METAL CONSTRUCTION ELEMENTS FOR SPACE FRAMEWORKS; NAMELY, TUBULAR RODS, SECTIONAL RODS, CONNECTING PIECES, STRUCTURAL PANELS MADE OF METAL ALONE OR IN COMBINATION WITH OTHER MATERIALS; METAL PIPELINES AND ELEMENTS THEREOF IN THE FORM OF PIPES, METAL FITTINGS, HOLDERS, CONNECTIONS, WASHERS, MOUNTINGS AND GASKETS, INCLUDING THE COMBINATION OF SUCH ELEMENTS IN THE FORM OF PIPE PACKAGES

PLASTIC CONSTRUCTION ELEMENTS FOR SPACE FRAMEWORKS; NAMELY, STRUCTURAL PANELS MADE OF PLASTIC ALONE OR IN COMBINATION WITH OTHER MATERIALS; PREFABRICATED PLASTIC WALLS, FLOORS AND CEILING, WINDOW, DOORS AND FACING PANELS FOR BUILDINGS, ROOF FRAME WALLS FOR BUILDINGS INCLUDING DOMES; FRAMEWORK FOR CEILINGS AND WALLS; PRE-FABRICATED SHEDS, AEROPLANE HANGERS, GREENHOUSES, PYLONS, SCAFFOLDING; CONSTRUCTION ELEMENTS FOR SPACE FRAMEWORKS; NAMELY, STRUCTURAL PANELS MADE OF WOOD OR MINERAL BUILDING ELEMENTS SUCH AS CONCRETE ALONE OR IN COMBINATION WITH OTHER MATERIALS; PREFABRICATED APARTMENTS; PREFABRICATED BUILDINGS FOR SPORTS, RECREATIONAL FACILITIES, TRADE PURPOSES AND FOOD SUPPLIES; PREFABRICATED WALLS, FLOORS AND CEILINGS; WINDOWS, DOORS AND FACING PANELS FOR BUILDINGS