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There is a page named "File:Difference in atomic weight of oxygen from air and from water (IA jresv17n4p625).pdf" on Wikipedia
- Mark 1.0falsefalse English applies to jurisdiction: United States of America determination method: work of the federal government of the United States...(814 × 1,350 (3.91 MB)) - 06:44, 18 August 2024