<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31458542</termId><termName>box beams</termName><termType>PT</termType><termNote><![CDATA[ Built-up hollow beams of rectangular section, whether metal or wood. ]]></termNote><termCreatedDate>2026-03-30 21:03:25</termCreatedDate><relation><relationType>UF</relationType><termId>31458543</termId><termName>beams, box</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31458544</termId><termName>box beam</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31458545</termId><termName>box girders</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31458546</termId><termName>girders, box</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31440059</termId><termName>beams by form</termName><termType>PT</termType></relation></term>  </Zthes>