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PCE
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CPC Subgroup
F04F 1/02

using both positively and negatively pressurised fluid medium, e.g. alternating

Full Title

Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped (using only negative pressure F04F3/00; jet pumps F04F5/00; siphons F04F10/00) > using both positively and negatively pressurised fluid medium, e.g. alternating

1 direct subcode

Child Classifications

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  • F04F 1/04 generated by vaporising and condensing