<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>14084048</termId><termName>poliuretano</termName><termType>PT</termType><termCreatedDate>2026-03-30 20:40:03</termCreatedDate><relation><relationType>BT</relationType><termId>14070267</termId><termName>plástico por propiedades: termoplásticos o termoestables</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>14084015</termId><termName>polyurethane foam (traducció pendent)</termName><termType>PT</termType></relation></term>  </Zthes>