| 摘要 |
Apparatus for preventing formation of ice on wall copings or the like which serve as a wheel running track for wheeled units or machines, there being arranged within the wall coping, essentially over the entire length of the wheel running track located on said wall coping (6), a pipeline system (8) which can be charged with a heated fluid or gaseous medium. This apparatus is intended preferably for sewage treatment works. <IMAGE>
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