https://data.epo.org/publication-server/rest/v1.2/publication-dates/19920916/patents/EP0350493NWB1/document.html
COMPANDED TOTAL CONDENSATION REBOIL CRYOGENIC AIR SEPARATION - Patent 0350493
COMPANDED TOTAL CONDENSATION REBOIL CRYOGENIC AIR SEPARATION - Patent 0350493
cryogenic air separationtotalcondensationreboilpatent