Electric apparatus for cleaning by suction (vacuuming); electric cleaning (vacuuming) machines; floor cleaning (vacuuming) machines; high vacuum metallization machines; high vacuum production machines; industrial cleaning machines (vacuum cleaners); industrial floor cleaning machines (vacuum cleaners); industrial vacuum machines for cleaning; industrial vacuum machines for use in manufacture; jet pumps for vacuum generation; machines for carpet cleaning (vacuuming); machines for cleaning (vacuuming) carpets; mechanical instruments (electric) for vacuum cleaning floors; operating apparatus for vacuum pumps; pressure vacuum pumps; pumps being parts of vacuum cleaners; robotic cleaning (vacuuming) machines for floors; steel rule dies for use with vacuum compression apparatus; suction cleaning machines (vacuum cleaners); vacuum accumulators for internal combustion engines; vacuum cleaner attachments for disseminating perfumes and disinfectants; vacuum cleaning implements (electric); vacuum control valves (parts of engines); vacuum control valves (parts of machines); vacuum control valves (parts of motors); vacuum conveying apparatus; vacuum filters being parts of machines; vacuum generators; vacuum operated apparatus for industrial purposes; vacuum pump installations; vacuum pumps (machines); vacuum shearing machines; wet and dry vacuum cleaners; wet vacuum cleaners