<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31439327</termId><termName>cylinders</termName><termType>PT</termType><termNote><![CDATA[ The housing containing the tumbler mechanism and the key way, which can be actuated only by the correct key. ]]></termNote><termCreatedDate>2026-03-30 20:58:25</termCreatedDate><relation><relationType>UF</relationType><termId>31439328</termId><termName>cylinder</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31413805</termId><termName>securing device components</termName><termType>PT</termType></relation></term>  </Zthes>