<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31358341</termId><termName>Bourdon gauges</termName><termType>PT</termType><termNote><![CDATA[ Mechanical pressure-measuring instruments employing as sensing elements a curved or twisted metal tube, flattened in cross-section and closed. ]]></termNote><termCreatedDate>2026-03-30 20:36:39</termCreatedDate><relation><relationType>UF</relationType><termId>31358348</termId><termName>gages, Bourdon</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358349</termId><termName>gages, Bourdon pressure</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358350</termId><termName>gauges, Bourdon</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358351</termId><termName>pressure gages, Bourdon</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358352</termId><termName>pressure gauges, Bourdon</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358353</termId><termName>tube, Bourdon</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358354</termId><termName>tubes, Bourdon</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31483509</termId><termName>Bourdon gages</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31483510</termId><termName>Bourdon gauge</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358344</termId><termName>Bourdon pressure gages</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358345</termId><termName>Bourdon pressure gauges</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358346</termId><termName>Bourdon tube</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358347</termId><termName>Bourdon tubes</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31325904</termId><termName>pressure measuring devices</termName><termType>PT</termType></relation></term>  </Zthes>