<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31375187</termId><termName>insulating glass</termName><termType>PT</termType><termNote><![CDATA[ Window glass made of two sheets of glass separated by metal bonded to the edges of the glass, leaving an insulating layer of dehydrated air between the two panes. ]]></termNote><termCreatedDate>2026-03-30 20:41:11</termCreatedDate><relation><relationType>UF</relationType><termId>31375188</termId><termName>glass, insulating</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31344446</termId><termName>glass by property</termName><termType>PT</termType></relation></term>  </Zthes>