İngilizce | Almanca | |
---|---|---|
Patent | ||
Patent | oxygen-sulphur ring | Sauerstoff-Schwefelring |
İngilizce | Almanca | |
---|---|---|
Patent | ||
Patent | nitrogen-oxygen-sulphur ring | Stickstoff-Sauerstoff-Schwefelring |
Patent | oxygen-sulphur-nitrogen ring | Sauerstoff-Schwefel-Stickstoffring |