<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>14102209</termId><termName>cristal de sosa</termName><termType>PT</termType><termNote><![CDATA[ Un vidrio de cal en el cual se utiliza sosa.
 ]]></termNote><termCreatedDate>2026-03-30 20:50:46</termCreatedDate><relation><relationType>UF</relationType><termId>14102210</termId><termName>vidrio de cal y sosa</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>14085708</termId><termName>vidrio de cal</termName><termType>PT</termType></relation></term>  </Zthes>