US3656695A - Roller mill with rotating grinding vessel ...
US3656695A US3656695DA US3656695A US 3656695 A US3656695 A US 3656695A US 3656695D A US3656695D A US 3656695DA US 3656695 A US3656695 A US 3656695A Authority US United States Prior art keywords grinding vessel transmission vessel roller mill shaft Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.