by Wacław A. Kollek
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Problemy czynnego zwalczania hałasu pomp...
Fogaskerékszivattyúk és hidromotorok
Plane geometry of rotors in pumps and ge...
Gear pumps: principal parameters and the...
Shesterennye nasosy
Gears and their vibration
The Blake-Knowles horizontal simplex sty...