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2179833
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Information
Patent Grant
2179833
References
Source
Patent Number
2,179,833
Date Filed
Not available
Date Issued
Tuesday, November 14, 1939
84 years ago
CPC
C11C1/106 - inert gases or vapors
US Classifications
203 - Distillation: processes, separatory
159 - Concentrating evaporators
202 - Distillation: apparatus
554 - Organic compounds
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