electric vacuum dust extracting pump; hydraulically operated dust collecting machines for industrial use; pneumatic dust collecting machines for use with industrial machinery

thermoregulators, temperature equalizers

water heaters for industrial use; heat pumps; driers for industrial use; refrigerators; ventilating fans for industrial use; steam generators, heat exchangers not being machine parts, preheaters, sterilizers not for medical use, air conditioners, air humidifiers and air dehumidifiers, air filters for industrial applications made of textile, electric air purifiers

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