Patents October 2010
Keywords: Sandwich concrete panel; Precast structure for stairwells, lifts, etc.; Displacer for concrete elements; Corrugated wall panel form; Precast panel for structures; Spiral reinforcement; Lifting device; Machine for forming reinforcing elements; Panel production; Constructional element; Panel building method
More patents in German language about the following topics:
Polymerbetonrohr
Pigmente
Abwasserschacht