NO. 5,085,185 | Powder-Lubricant Piston Ring for Diesel Engines NO. 5,085,185 | Powder-Lubricant Piston Ring for Diesel Engines Details Date April 3, 2014 Category Patents
The Effect of Slider Geometry on the Performance of a Powder Lubricated Bearing – Experimental IllustrationsMay 18, 1997
