| 摘要 |
The system comprises support rods (2), each having, at its free end, at least one radial extension (4a,b). The screen (1) has a tubular section (5) to receive an angularly adjustable sleeve (6). The sleeve can move from a first mounting-release position for the screen and a second fixed position. In the first position, an axial groove (6a,b) in the sleeve extends over the radial extension of the rod. In the second position a plain part of the sleeve extends over the radial extension. The second end of the sleeve can have a shoulder to support the screen.
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