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US4404005A Molecular sieve type gas separation systems 失效
分子筛型气体分离系统

Molecular sieve type gas separation systems
Abstract:
A molecular sieve type gas separation system capable of delivering a product gas of controlled variable composition and being especially useful for the production of oxygen-enriched air as breathable gas for aircrew, has an apparatus for controlling the regeneration of the or each sieve bed so as to achieve delivery of the product gas with a constituent concentration which is variably selectable within a predetermined range of values.
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