de propen (n)
― IsA ⟶
Weight: 1.0
de gas Source: German Wiktionary
de propen (n)
― IsA ⟶
Weight: 1.0
de kohlenwasserstoff Source: German Wiktionary
de propen (n)
― IsA ⟶
Weight: 1.0
de alken Source: German Wiktionary