US PATENT SUBCLASS 14 / 28
.~ Adjustable height
Current as of: June, 1999
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DEFINITION
Classification: 14/28
(under subclass 27) Floating bridges containing some structure to produce or to permit variations in the height of the road bed.
SEE OR SEARCH THIS CLASS, SUBCLASS:
42, for draw lifts.
47, for draw aprons.
71.1+, for one-end-attached gangways.
