In Classes I and II piping systems in general, for joining sections of hydraulic pipes and for steering gear-, controllable pitch propeller- and propulsion related hydraulic systems their use is limited

In Classes I and II piping systems, in general, for joining sections of hydraulic pipes and for steering gear-, controllable pitch propeller- and propulsion related hydraulic systems coupling's use is

- In Classes I and II piping systems in general, for joining sections of hydraulic pipes and for steering gear-, controllable pitch propeller- and propulsion related hydraulic systems their use is limited

- In Classes I and II piping systems in general, for joining sections of hydraulic pipes and for steering gear, controllable pitch propeller- and propulsion related hydraulic systems their use is limited

to flexible lines; the 291, as the connecting element for hydraulic lines, for example in power steering and servo clutches in cars; and the 246, used in cars and commercial vehicles as the connecting [...] to flexible lines; the 291, as the connecting element for hydraulic lines, for example in power steering and servo clutches in cars; and the 246, used in cars and commercial vehicles as the connecting