File:Refining processes and routing in refinery for Pennsylvania crude petroleum, 1921.jpg
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current | 18:32, 27 November 2021 | ![]() | 1,613 × 1,237 (346 KB) | Mdd | Uploaded a work by William Crosby Marshall (author) from {{Extracted from|Graphical methods for schools, colleges, statisticians, engineers and executives (IA cu31924003979725).pdf}} with UploadWizard |
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