תרומות המשתמש
- 23:29, 20 באפריל 2012 (הבדל | היסטוריה) חמ ReinhardtKesterson742 (דף חדש: Oxygen compressors are created as well as according to possibly of two systems * a positive-displacement device or even negative-displacement mechanism. Positive-displacement mechanism ...) (אחרון)
