E21F 17/10 Distributing pneumatic power; Pipe networks for compressed air (pipe-line systems in general F17D)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Distributing pneumatic power; Pipe networks for compressed air
CPC: Distributing pneumatic power; Pipe networks for compressed air (pipe-line systems in general F17D)
Full Title
Full titles differ between systems:
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
Methods or devices for use in mines or tunnels, not covered elsewhere (mine lighting F21, H05B) > Distributing means for power supply in mines > Distributing pneumatic power; Pipe networks for compressed air (pipe-line systems in general F17D)
No child classifications to compare. This is a leaf node in both IPC and CPC.