[ INDUSTRIAL AND COMMERCIAL CHEMICALS FOR PHOSPHATIZING METAL SURFACES FOR PRESERVING AND/OR PREVENTING CORRUSION; AND ] INDUSTRIAL AND COMMERCIAL CHEMICALS FOR PREVENTING CALCAREOUS DEPOSITS IN INDUSTRIAL MACHINERY, PIPES AND TANKS

ALL PURPOSE CLEANING, AND COMBINATION CLEANING AND DISINFECTING PREPARATIONS, FOR COMMERCIAL, AND INDUSTRIAL USES [ , AND FOR HUMAN AND ANIMAL USE ]

HIGH-PRESSURE CLEANERS COMPRISING FLEXIBLE HIGH PRESSURE PIPES, HIGH-PRESSURE PUMPS USED THEREWITH, FILTERS, AND SPRAY GUNS FOR USE WITH THE AFOREMENTIONED CLEANERS AND PARTS THEREFOR; SPRAY EXTRACTION MACHINES FOR CLEANING TEXTILE SURFACES AND PARTS THEREFOR; WET AND DRY CLEANERS AND PARTS THEREFOR; CARPET BRUSH CLEANERS AND PARTS THEREFOR; MECHANICALLY DRIVEN BRUSHES; NON-COIN OPERATED CLEANING MACHINES AND PARTS THEREFOR; MECHANICAL TANK CLEANING MACHINES AND PARTS THEREFOR; ROTARY HIGH-PRESSURE NOZZLES FOR CLEANING TANK INTERIORS; HIGH PRESSURE PUMPS AND SPRAYERS FOR CLEANING [ AND DEWAXING ] VEHICLES [ AND PHOSPHATIZING METAL SURFACES TO PROTECT SAID SURFACES FROM CORRUSION, ] AND PARTS THEREFOR

VACUUM CLEANERS

FRESH-AIR HEATERS USING ELECTRICITY, GAS, LIQUID OR SOLID FUELS FOR HEATING AIR; WASTE WATER TREATMENT AND RECYCLING INSTALLATIONS, COMPRISED OF A HIGH-PRESSURE CLEANER, A SPRAY APPARATUS, A COLLECTING TANK FOR LIQUIDS, A RETURN PUMP, A FILTER AND A SEPARATING TANK; AND PARTS THEREFOR

PAPER FILTERS

MAINTENANCE, REPAIR AND TECHNICAL EXAMINATION OF THE AFORESAID GOODS

TECHNICAL ADVICE AND PLANNING OF INSTALLATIONS AND MACHINES FOR SOLVING THE PROBLEMS OF CLEANING AND HEATING TECHNOLOGY