<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31467277</termId><termName>sand-grain etchings</termName><termType>PT</termType><termNote><![CDATA[ Prints produced by the sand-grain etching process. ]]></termNote><termCreatedDate>2026-03-30 21:05:49</termCreatedDate><relation><relationType>UF</relationType><termId>31467278</termId><termName>etchings, sand-grain</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31467279</termId><termName>sand-grain etching</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31452522</termId><termName>etchings</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31410259</termId><termName>sand-grain etching</termName><termType>PT</termType></relation></term>  </Zthes>