75519117
Jul 15, 1998
Jul 23, 2002
power operated rock and asphalt crushers; power operated asphalt and concrete recycling machines; power operated stackers, feeders, and conveyors, for use with rock and asphalt crushers and for use with asphalt and concrete recycling machines to move, stack classify, load and unload aggregate material; screens being component parts of asphalt and concrete crushers and recycling machines; power operated sand classifiers, dewaterers, scrubbers and blenders, sand and aggregate mixing plants and reclamation plants for removing aggregate and sand from ready-mix concrete
Machinery