| 摘要 |
The invention relates to a shutter device designed to close off a bay ( 6 ) or other opening, the shutter ( 1 ) having side edges ( 2, 3 ) displaced in guide tracks ( 4, 5 ), in which lubricating means ( 38, 39, 48, 49, 52 ) are provided, enabling the side edges ( 2, 3 ) of the shutter ( 1 ) to be lubricated.
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