9
counters of particles in air [and in water, filters for respiratory masks]
10
[sterilizers for medical use, aerosol dispensers for medical use]
11
[electric fans; ceiling fans; fans for machine engines; ventilation hoods; air filters for domestic use; air filters for industrial installations; air filters for air conditioning units; water filtering units for domestic use; water filtering units for commercial use; water filtering units for industrial use; gas scrubbers; air conditioners; sterilizers not for medical purposes, namely, air sterilizers, hot air sterilizers, tunnel sterilizers, steam sterilizers, autoclaves; aerosol dispensers not for medical use]
20
furniture for use in clean rooms, namely, purified air work benches
37
maintenance and reparation of installations and apparatus for the purification of air and water as well as of air and water measuring installations and apparatus
41
instruction services for the application of purifying air and water installations and apparatus, for the application of air and water measuring installations and apparatus, as well as for microbiological measuring apparatus
42
calibration of installations and apparatus for the purification of air and water as well as of air and water measuring installations and apparatus; testing, analysis and evaluation of the installations and machines of others for the purpose of certification in the field of microbiology, clean air rooms and processing technology related thereto; consultation in the field of purification and microbiological testing of air and water including machines, installations and measuring installations related thereto