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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.
FOR SAFETY PURPOSES Rack-U-Frame
units should be installed on a solid smooth surface. Four units
should be evenly spaced on a 20 ft. length and should not be
stacked over a maximum of four high. Maximum capacities of four
high units are 20,000 lbs. for the RUF-251 and 60,000 lbs. for
the RUF-640.
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