Aluminothermic welding device crucible and crucible cover for us
Casting mold for aluminothermically welding rails together
Concrete mold with arrangement for mounting tubular components
Concrete railroad tie mold insert for rail fasteners
Concrete sleeper mould
Fixture for making railroad ties
Matrix array for manufacturing concrete sleeper blocks
Mould for the metallothermic welding of metal items
Process of railroad tie concrete casting
Rail repairing method and apparatus