47639 ⎘
Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects with gaskets or sealing elements, e.g. for tunnelings or man holes
Manhole base assembly with internal liner and method of manufacturing same
#2Wall seal system
#3Manhole base assembly with internal liner and method of manufacturing same
#4Wall seal system
#5GASKET AND MANDREL ASSEMBLY FOR PIPE JOINTS
#6Concrete conduit members
#7Gasket and mandrel assembly for pipe joints
#8Gasket and mandrel assembly for pipe joints
#9Holding tanks, systems and methods