Distributing pneumatic power; Pipe networks for compressed air

Full Title

Methods or devices for use in mines or tunnels, not covered elsewhere > Distributing means for power supply > Distributing pneumatic power; Pipe networks for compressed air

Classification Context

Section:

FIXED CONSTRUCTIONS

Class:

EARTH OR ROCK DRILLING; MINING

Subclass:

SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS