Tongs for handling rows of construction elements has scissor mechanism with short and long lever arms and connecting rod between free ends of long arms to act as stop for line of elements
EP1336689A2
Method for producing paving element units
EP1335069A2
Artificial stone for pavings
DE10205135A1
Cobblestone has offset sections, with a simulated joint, fitted with projecting side ribs to mate with neighboring cobblestones without direct contact and maintain a nominal joint width
DE10109159A1
drainage channel
DE10101154A1
Component of floor surfaces, walls, etc., has base section of concrete and mortar plate joined to concrete base section that forms information bearer or part of one
