Rotary devices, e.g. propellers

Introduced: September 1968

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Auxiliary devices for promoting water circulation > Rotary devices, e.g. propellers

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

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F22D 7/08 Arrangements of pumps, e.g. outside the boilers IPC+CPC Available in IPC and CPC