6
Containers of metal for waste; metal structures for prefabricated filter housings
7
Waste disposal machines, mainly consisting of pneumatic conveying with pipelines and vacuum generators; waste containers of metal being parts of machines; mechanical waste disposals; dust extraction and separation machines and dedusting machines, including electrical, mainly consisting of electrical dust extraction apparatus, including vacuum cleaner nozzles with tubes, pipelines, mechanical dust separators and vacuum generators; mechanical dust separation apparatus; vacuum cleaners; industrial fans for motors and engines; pneumatic conveying machines mainly consisting of pressure or vacuum generators, pipelines, dust separators, dust removal apparatus; dust wetters (machines)
9
Electric system and installation control apparatus for technical building fittings
11
Air purifying machines, in particular air purifying installations with machine waste air; industrial fans in the field of air-conditioning and being parts of air-conditioning units; non-automatic dust separators; electric dust separating apparatus being air-purifying apparatus
20
Waste containers of plastic
21
Dusting apparatus, non-electric
37
Assembly and maintenance of air purifying installations, in particular air purifying installations with machine waste air; building monitoring; assembly and maintenance of electric systems and system controls for objects, in particular industrial objects
42
Tehcnial design and development of air purifying installations, in particular air purifying installations with machine waste air; technical development, design and planning, in particular pre-planning, design planning, implementation planning for real estate, in particular industrial real estate, in particular in the field of building technology and building automation; architectural consultation, in particular consultancy with regard to industrial real estate in the field of building technology and building automation; technical consultancy with regard to real estate, in particular industrial real estate in the field of building technology and building automation, technical design and development of electrical system and installation control for properties, in particular industrial property