6
Flexible tubes of metal; connection attachments and fittings for the aforesaid flexible tubes and for flexible tubes included in classes 7, 12 and 17; metallic pipes and tubes; screw fittings for pipes, adapters, pipe clips, pipe fastening systems; all the aforesaid goods in class 6 only insofar as they are not for sanitary use; chafer devices for the aforesaid flexible tubes and for flexible tubes included in classes 7, 12 and 17; hydraulic couplings and hydraulic ball-valves
7
Hydraulic tubes, steam tubes, concrete pump and feed tubes, compressed air tubes; hydraulic pipes; hydraulic tubes and hydraulic pipelines ready for installation
9
Flame-protection devices for the flexible tubes included in classes 6, 7, 12 and 17; pressure gauges; articles for hydraulic measuring technology, namely screw fittings, couplings, connecting hose, and apparatus for measuring pressure, temperature and flow speed
12
Flexible tubes for tankers; hydraulic tubes, steam tubes, concrete pump and feed tubes, compressed air tubes; hydraulic pipes; hydraulic tubes and hydraulic pipelines ready for installation
17
Flexible tubes of plastic; connection attachments and fittings for the aforesaid tubes and for flexible tubes included in classes 6, 7 and 12; sealing materials; pipes of rubber and plastic; screw fittings for pipes, adapters, pipe clips, pipe fastening systems; all the aforesaid goods in class 17 only insofar as they are not for sanitary use; chafer devices for the aforesaid flexible tubes and for flexible tubes included in classes 6, 7 and 12; stopping and insulating materials; hydraulic couplings and hydraulic ball-valves