Air purifying apparatus and machines; electric fans for personal use; laundry dryers, electric; air filtering installations; fans for air-conditioning apparatus; ventilation hoods; electric air deodorizing apparatus; air cooling apparatus; filters for air conditioning; electric air dryers; air-conditioning installations; drying apparatus for use in ventilation systems; fans being parts of air-conditioning installations; air sterilizers; radiators, electric; pocket warmers, namely, electric po...