7
Protective devices and parts for refrigeration equipment, namely, mechanical control valves being mechanically operable pressure valves, pressure valves, pressure relief valves and manual shut off valves and mechanically operable safety release valves, being parts of machines, electric fans, ventilators and blowers for motors and engines; all of the aforesaid for refrigeration equipment; none of the aforesaid for vacuum cleaners and cleaning equipment
9
Fluid flow indicators, gauges, oil sampler and testing manifolds for refrigeration systems; parts for refrigeration systems, namely, optical and electrical oil level controllers, electro-mechanical oil level regulators and liquid refrigerant recovery regulators; protective devices and parts for refrigeration equipment, namely, optical and electrical oil level controllers, electro-mechanical oil level regulators, liquid refrigerant recovery regulators, and metal, fluid flow indicators, gauges, oil sampler and testing manifolds for refrigeration systems
11
Driers and filters for refrigeration systems; parts for refrigeration systems, namely, heat exchangers, receivers, condensers, chillers and heaters; parts for refrigeration systems, namely, mechanically operable pressure valves, liquid refrigerant receivers, oil line strainers, oil separation and metering devices, manual shut off valves, mechanical oil filter driers and glass sight glasses; protective devices and parts for refrigeration equipment, namely mechanically operable safety release devices; protective devices and parts for refrigeration equipment, namely, liquid refrigerant receivers, being high pressure metal cylinders (containers), liquid refrigerant receivers, being liquid storage tanks (containers) and liquid refrigerant receivers being apparatus made of metal for the storage of liquid gases; oil line strainers including filters for lubricants; parts for refrigeration systems, namely, absorption filters; copper and brass fittings for refrigeration systems