F25Level 2

REFRIGERATION OR COOLING

GET/api/v1/systems/patent_cpc/nodes/F25

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F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS

F25CPRODUCING, WORKING OR HANDLING ICE

F25DREFRIGERATORS

F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT

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