| http://www.w3.org/ns/prov#value | - of the tow vehicle and the rear ground-engaging member during the vehicular movement of the tow vehicle and trailing attachment,said second connecting means including a third pivot between said forward end portion of said lower hitch arm means and said rear end portion of said lower link means about which said lower link means and said lower hitch arm means are pivotally movable up and down durin
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