<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>22173</termId><termName>ACERO TERMORRESISTENTE</termName><termType>PT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>ACERO TERMORRESISTENTE</termSortkey><termNote label="Cota LC"><![CDATA[ <p><a href="http://www.loc.gov/aba/publications/FreeLCC/T-text.pdf" target="_blank">[TA479.H43]</a></p> ]]></termNote><termCreatedDate>ACERO TERMORRESISTENTE</termCreatedDate><termModifiedDate>2015-02-05 06:53:18</termModifiedDate><relation><relationType>UF</relationType><termId>22338</termId><termName>Acero refractario</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>22339</termId><termName>Acero resistente al calor</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>22340</termId><termName>Resistencia del acero al calor</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>22169</termId><termName>ALEACIONES DE ACERO</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>22334</termId><termName>ACERO CROMO-NIQUEL</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>22335</termId><termName>ALEACIONES RESISTENTES AL CALOR</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>22336</termId><termName>AUSTENITA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>22337</termId><termName>ACERO DE ALTA RESISTENCIA</termName><termType>PT</termType></relation></term>  </Zthes>