75307421
Jun 11, 1997
mechanical mixing machines, namely, concrete batching plants; sludge stabilizers; mixers for concrete, soil, soil stabilizers, sewage, sludge, and chemicals for use primarily in construction, sewage treatment, waste disposal and environmental clean-up applications; conveyors; chemical additive silos; sludge breakers and feeders; and discharge gates for batch and continuous flow mixers
Machinery