February 2010
Keywords: Concrete rubble; Molded block and traffic area with molded block; Electrically powered joint cleaning device; Process and apparatus for the fabrication
of a multilayered concrete plate; Process for the manufacture and storage of a concrete component for a rigid trackway of a track-bound vehicle as well as its storage; Form for interlocking concrete blocks – 360 degree all-around non-positive connection of horizontal forces – without fixed edges – neutral orientation – harmonious appearance; Mantle block for chimney systems;
