Skimmers for cleaning swimming pool surfaces; Automatic cleaning apparatus for swimming pools; Swimming pool cleaning apparatus; Bottom cleaning machines for swimming pools; Swimming pool cleaning machines; Robotic swimming pool cleaning machines; Cleaning brushes (parts of machines); Pipes (fitted parts of machines); Tubes being fitted parts of machines; Vacuum cleaner bags; Reels, mechanical, for flexible hoses; Filtering machines; Filters being parts of machines; Pumps (machines); Vacuum pumps (machines)