73599938
May 21, 1986
Oct 13, 1987
ASHBROOK-SIMON-HARTLEY CORPORATION
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BELT FILTER PRESSES, MECHANICAL SURFACE AERATORS FOR USE IN AERATION TANKS; SLUDGE THICKENING MACHINES; IN-VESSEL COMPOSTING MACHINE; FLUID CONTROL EQUIPMENT, NAMELY, SLUICE GATES, STOP GATES, AND LOGS