| 摘要 |
System to treat the upper side of a glass roof, comprising a scaffold which has a plurality of two or more walking panels which are removably mutually mounted and extending in the longitudinal direction of the scaffold, the scaffold bearing fully or along its length between its ends at a plurality of at least two locations onto the roof, preferably onto the rods into which the panes of the roof are housed, or on another supporting structure of the roof. |
