<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31420506</termId><termName>photographic masks</termName><termType>PT</termType><termNote><![CDATA[ Any opaque material used to block light or chemistry from exposing photosensitized material. ]]></termNote><termCreatedDate>2026-03-30 20:53:18</termCreatedDate><relation><relationType>UF</relationType><termId>31420507</termId><termName>photographic mask</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31386067</termId><termName>photographic processing equipment</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31371264</termId><termName>masking</termName><termType>PT</termType></relation></term>  </Zthes>