{HEAD ~ The present invention} provides {TAIL ~ interstage cooling} of the second refrigeration cycle by heat exchange with the first refrigeration cycle to cool the multicomponent refrigerant in the second cycle between stages of compression 
{ HEAD ~ The present invention } provides { TAIL ~ interstage cooling } of the second refrigeration cycle by heat exchange with the first refrigeration cycle to cool the multicomponent refrigerant in the second cycle between stages of compression
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