<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31457211</termId><termName>copper-aluminum alloy</termName><termType>PT</termType><termNote><![CDATA[ An alloy that consists of half copper and half aluminum; marketed as a form of master alloy that is used for making aluminum alloys. ]]></termNote><termCreatedDate>2026-03-30 21:03:04</termCreatedDate><relation><relationType>UF</relationType><termId>31457212</termId><termName>alloy, copper-aluminum</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31438444</termId><termName>copper alloy</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31471098</termId><termName>aluminum bronze</termName><termType>PT</termType></relation></term>  </Zthes>