<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31457983</termId><termName>hydraulic hinges</termName><termType>PT</termType><termNote><![CDATA[ Mechanical contrivances that allow swinging motion in a single plane of one of the members to which they are attached, such as a door, and in which water or some other liquid is employed in the mechanism to control the speed at which the hinge moves; usually to slow the motion of a closing door. ]]></termNote><termCreatedDate>2026-03-30 21:03:16</termCreatedDate><relation><relationType>UF</relationType><termId>31457984</termId><termName>hinges, hydraulic</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31457985</termId><termName>hydraulic hinge</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31439301</termId><termName>hinges by form</termName><termType>PT</termType></relation></term>  </Zthes>