6
Pressure relief valves and decoupling valves of metal (other than parts of machines), and solenoid valves, in particular being devices for protecting dust-conducting installations against dust explosions; Metal tubing; Rupture discs; All the aforesaid goods included in class 6
7
Parts of machines for discharging explosive pressure, in particular rupture discs; Equipment for flameless pressure relief; Flame traps, in particular flame barriers and flame arresters; All the aforesaid goods included in class 7
9
Measuring, regulating, control and monitoring devices; Signal transmitters; Rupture discs for controlling and/or monitoring and/or protecting against high and/or low pressure and/or vacuum conditions; Equipment for flameless pressure relief; Flame traps, in particular flame barriers and flame arresters; Flameproof equipment in the form of explosion, detonation and/or durable fire protection means; Safety equipment for controlling and monitoring and/or protecting against high and/or low pressure and/or vacuum conditions; All the aforesaid goods included in class 9
37
Maintenance of pressure relief valves and decoupling valves of metal (other than parts of machines), and solenoid valves, in particular being devices for protecting dust-conducting installations against dust explosions; Maintenance of pipelines of metal; Maintenance of rupture discs; Maintenance of parts of machines for discharging explosive pressure, in particular rupture discs; Maintenance of equipment for flameless pressure relief; Maintenance of flame traps, in particular flame barriers and flame arresters; Maintenance of measuring, regulating, control and monitoring devices; Maintenance of signal transmitters; Maintenance of rupture discs for controlling and/or monitoring and/or protecting against high and/or low pressure and/or vacuum conditions; Maintenance of flameproof equipment in the form of explosion, detonation and/or durable fire protection means; Maintenance of safety equipment for controlling and monitoring and/or protecting against high and/or low pressure and/or vacuum conditions; Repair of pressure relief valves and decoupling valves of metal (other than parts of machines), and solenoid valves, in particular being devices for protecting dust-conducting installations against dust explosions; Repair of pipelines of metal; Repair of rupture discs; Repair of parts of machines for discharging explosive pressure, in particular rupture discs; Repair of equipment for flameless pressure relief; Repair of flame traps, in particular flame barriers and flame arresters; Repair of measuring, regulating, control and monitoring devices; Repair of signal transmitters; Repair of rupture discs for controlling and/or monitoring and/or protecting against high and/or low pressure and/or vacuum conditions; Repair of flameproof equipment in the form of explosion, detonation and/or durable fire protection means; Repair of safety equipment for controlling and monitoring and/or protecting against high and/or low pressure and/or vacuum conditions