<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31374256</termId><termName>vernis cuir</termName><termType>PT</termType><termNote><![CDATA[ A photographic coating composed of layers of gelatin and tannic acid introduced by Louis-Désiré Blanquart-Évrard in 1857 to resolve the problem of image impermanence. ]]></termNote><termCreatedDate>2026-03-30 20:40:55</termCreatedDate><relation><relationType>UF</relationType><termId>31374257</termId><termName>leather varnish</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31344011</termId><termName>protective coating</termName><termType>PT</termType></relation></term>  </Zthes>