| 摘要 |
A wear part 50,55,70,75 comprises at least one wear component 50,70 made from abrasion resistant material; and an upper seal groove 71 located around a central aperture 72 on the upper face 78 of the wear part, the upper seal groove adapted to receive an 5 axially compressible seal 80. Fig. 4b cog / x 2' Cq~ |
