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| Number | Title | Issue Date |
| 4741665 | Guide vane ring for turbo-engines, especially gas turbines A guide vane for turbo-engines has a stationary vane section and a movable vane section with a gap between the two sections. The gap is covered on one side by a flexible band connected along its tape edges to the vane sections. The other side of the gap i... | 05/03/1988 |
| 4732534 | Rotor blade jacket for axial gas turbines A rotor blade jacket for an axial gas turbine has a closed ceramic ring surrounding the blade tips of the turbine rotor and surrounded by a protective metal ring holding heat expansion compensating bristles which are secured at their radially outer ends t... | 03/22/1988 |
