The manufacturer’s covers are made of metal and are square , round , or rectangular in shape. The round covers of this manufacturer are not surrounded by a square frame, in order to facilitate paving around them.
No colored or gilded covers were found for this manufacturer, nor covers bearing city emblems.
In most cases, the purpose of the cover cannot be determined. In many cases, the year of manufacture appears on the cover .
Standards The European standard EN124 and its associated load classes are found on many covers, with the most common load classes being D400 and A15 .
Typical Covers The manufacturer’s covers are characterized by a background of squares, on round covers and square covers .
Additional types of covers can be seen at the bottom of the page.