9
Apparatus and instruments for research relating to the structure of liquids; Apparatus and instruments for research relating to the structure of liquids for scientific use; Coils, electric; Electromagnetic coils; Electromagnetic coils; Particle accelerators; Hydrometers; Acoustic conduits; Air analysis apparatus; Electric installations for the remote control of industrial operations; Electricity transformers; Lenses for astrophotography; Heat regulating apparatus; Electrical conductors; Regulating apparatus, electric; Measuring apparatus; Batteries, electric; Accumulators, electric; Sounding apparatus and machines
11
Apparatus for changing the structure of liquids; Apparatus for changing the parameters of liquids; Water purifying installations; Water filtering installations; Water cooling installations; Water sterilizers; Filters for drinking water; Ionization apparatus for the treatment of air or water; Water purifying apparatus and machines; Regulating and safety accessories for water apparatus; Water softening apparatus and installations; Apparatus for descaling water; Air purgers for use with water supply installations; Air purgers for use with water distribution installations; Water treatment filters; Water heaters; Heating installations; Heating elements; Desalination plants; Cold storage rooms; Steam generating installations; Nuclear reactors; Oil-scrubbing apparatus
40
Fluid treatment; Custom assembling of materials for others; Custom assembling of materials for others; Production of custom energy-saving goods for others; Magnetization; Galvanizing; Dyeing services; Metal treating; Gold plating; Recycling of waste and trash; Waste treatment [transformation]; Waste incineration; Upcycling [waste recycling]; Air deodorising; Processing of oil; Printing packaging, for others; Water treatment; Treatment of hazardous gases