<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31398208</termId><termName>opisometers</termName><termType>PT</termType><termNote><![CDATA[ Instruments used for measuring the length of curved lines, as on maps. ]]></termNote><termCreatedDate>2026-03-30 20:47:03</termCreatedDate><relation><relationType>UF</relationType><termId>31398209</termId><termName>chartometer</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31398210</termId><termName>chartometers</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31398211</termId><termName>opisometer</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31358245</termId><termName>linear distance measuring devices</termName><termType>PT</termType></relation></term>  </Zthes>