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U.S. PATENT NO.3,581,907
CANADIAN PATENT 930334
Completely assembled ready for use. Formed for strength and stacking
tiers. Carrying handle for strength and convenience. Sold
individually and used in any combination to meet your needs. For
maximum capacity and safety, the units should be installed on a
solid, smooth surface, evenly spaced 20 ft., and stacked a maximum
of four high.
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