<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31371051</termId><termName>diffusion transfer reversal</termName><termType>PT</termType><termNote><![CDATA[ Copying process employing silver halides in which both a positive and a negative copy are produced simultaneously. ]]></termNote><termCreatedDate>2026-03-30 20:40:04</termCreatedDate><relation><relationType>UF</relationType><termId>31371052</termId><termName>DTR</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31371053</termId><termName>diffusion-transfer-reversal</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31371054</termId><termName>reversal, diffusion transfer</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31340283</termId><termName>light-sensitive reprographic processes</termName><termType>PT</termType></relation></term>  </Zthes>