ENSEMBLE TUBULAIRE SOUS VIDE COMPOSE DE DEUX OU PLUSIEURS TUYAUX CONCENTRIQUES POUR GAZ OU LIQUIDES A L'ETAT DE REFROIDISSEMENT PROFOND

摘要

For absorbing residual gases in concentric pipe systems for transporting or receiving very low- temperature liquids or gases, chemical getters are used which are arranged in an annular space between two pipes of the pipe system.