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DIFF Subgroup
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:

IPC:

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

CPC:

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.