[Class : 37] Repair And Installation Services Related To Tanks, Receivers, Reactors, Laboratory Chemical Reactors, Laboratory Glassware, Evaporators, Water Treatment Filters, Waste Water Treatment Apparatus And Evaporators, Scrubbing Columns, Reactors, Measuring Instruments For Leak Detection Of Shaft Seals And Gauges For Monitoring The Temperature Of Shaft Seals, Distillation Apparatus For Scientific Purposes, Heat Regulating Apparatus, Industrial Chemical Reactors, Mechanical Seals As Machine Parts, Shaft Seals And Wipers As Parts Of Electric Mixers, Blenders, Industrial Dryers, Screw Grinding Machines, Filters For Rotating Filters, Electric Pumps, For The Chemical, Pharmaceutical And Food Industry, Accessories For Shaft Seals, Namely, Elastomers, O Rings, Seal Lips, Radial Seals, Gaskets, Namely, Flat Seals, Metal Bellows, Sealing And Connecting Plugs, Pressure Connection Hoses To Shaft Seal, Valves For Machines, Namely, Ball Valves And Valves With Metallic And/Or Coal High Performance Plastic Sealing Systems, Rotary Unions As Machine Parts, Agitators (Industrial) Used In Pharmaceutical, Agrochemicals, Mineral, Specialty Chemicals, Biotech, Paints, Paper & Pulp Industries, Mixing Machines, Sealing Machines For Industrial Purposes, Heat Exchangers, Separators, Packing Machines, Control Mechanisms For Machines, Engines Or Motors, Steam Condenser, Drums [Parts Of Machines], Condensing Installations, Impellers.