<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31398472</termId><termName>flowmeters</termName><termType>PT</termType><termNote><![CDATA[ Instruments used to measure the flow rate, discharge rate, or pressure of liquids, gases, or vapors in a pipe or other contained vessel. ]]></termNote><termCreatedDate>2026-03-30 20:47:08</termCreatedDate><relation><relationType>UF</relationType><termId>31398473</termId><termName>flow meters</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31398474</termId><termName>flowmeter</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31398475</termId><termName>fluid meters</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31398476</termId><termName>meters, flow</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31398477</termId><termName>meters, fluid</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31358425</termId><termName>liquid or gas movement measuring devices</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31428243</termId><termName>gas meters</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31428247</termId><termName>rotameters</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31428249</termId><termName>water meters</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31428255</termId><termName>Parshall flumes</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31428258</termId><termName>pitot tubes</termName><termType>PT</termType></relation></term>  </Zthes>