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Subject
- Paint2
- Petroleum industry and trade3
- Pharmaceutical chemistry1
- Pharmaceutical industry3
- Photographic film industry2
- Polyvinyl chloride3
- Postcards1
- Potash2
- Pyrites Chemical & Mining Company1
- Rayon1
- Sodium carbonate4
- Solvay S.A.1
- Stinnes, Hugo, 1870-19243
- Sulfuric acid industry6
- Superphosphates1
- Th. Goldschmidt A.-G.1
- Tin--Refining1
- Vereinigte Glanzstoff-Fabriken1
- World War (1914-1918)3