<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31358409</termId><termName>magnetism measuring devices</termName><termType>PT</termType><termNote><![CDATA[ Devices that measure magnetic attraction or magnetic phenomena. ]]></termNote><termCreatedDate>2026-03-30 20:36:40</termCreatedDate><relation><relationType>UF</relationType><termId>31358410</termId><termName>magnetism measuring device</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358411</termId><termName>measuring devices, magnetism</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31325907</termId><termName>elemental forces measuring devices</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31398428</termId><termName>fluxmeters</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31398430</termId><termName>declinometers</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31398432</termId><termName>magnetometers</termName><termType>PT</termType></relation></term>  </Zthes>