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3662520
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Information
Patent Grant
3662520
References
Source
Patent Number
3,662,520
Date Filed
Not available
Date Issued
Tuesday, May 16, 1972
52 years ago
CPC
G01N30/722 - through a gas permeable barrier (membranes, porous layers)
US Classifications
096 - Gas separation: apparatus
250 - Radiant energy
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