File:1931.01.31 23 Andrussow Pilot Plant Herne Germany.jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:02, 7 July 2009 | 2,198 × 1,410 (302 KB) | commons>Hermann Luyken | {{Information |Description={{en|1=Andrussow pilot plant in Herne, Germany for testing HCN-production, 250 kg/d}} |Source=Own work by uploader |Author=Hermann Luyken |Date=1930 |Permission= |other_versions= }} <!--{{ImageUpload|ful |
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