Rail extrusions and sealing members for concrete slab...
Railbed
Railroad tie with accurately located and centered embedded...
Ram casting machine for concrete slabs
Ramming mix
Rapid moulding of long concrete poles
Reaction injection molding of silicon nitride ceramics...
Refractory ceramic moulding and a method of producing it
Refractory component with locking surface and method of...
Refractory fiber products and method of making such products
Refractory furnace lining and method
Refractory nozzles and pipes
Refractory oxycompound/refractory hard metal composite
Reinforced concrete building element
Reinforced material
Reinforced plastic mold for concrete panels
Reinforced structural member of recycled plastic and method...
Reinforcement of moulded construction products
Reinforcing cage
Reinforcing member support in concrete extruders