<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31358259</termId><termName>mass measuring devices</termName><termType>PT</termType><termNote><![CDATA[ Devices used for measuring bodies of matter. ]]></termNote><termCreatedDate>2026-03-30 20:36:37</termCreatedDate><relation><relationType>UF</relationType><termId>31358260</termId><termName>mass measuring device</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358261</termId><termName>measuring devices, mass</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31325888</termId><termName>quantity measuring devices</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31398332</termId><termName>mass spectroscopes</termName><termType>PT</termType></relation></term>  </Zthes>