Nguyen HT, Truong CG. The Correction of the Addendum Radius of the Internal Gear in the Oil Hypocycloid Pump to Achieve Equal Wear Rates. old [Internet]. 2019 Jan. 15 [cited 2025 Aug. 2];(132):51-5. Available from: https://jst.vn/index.php/old/article/view/685