74273881
May 11, 1992
Jan 24, 1995
industrial washing machines for use in the heat treat industry for cleaning, rinsing, degreasing and drying metal parts, metal workpieces, bulk metal material, and metal stacked pieces; vacuum pumps, and structural parts therefor; and devices for loading, unloading, and conveying metal parts, metal workpieces, bulk metal material and metal stacked pieces to, from and through the washing machines, in the nature of conveyors
Machinery