<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31371710</termId><termName>caoutchouc binding</termName><termType>PT</termType><termNote><![CDATA[ Method of adhesive binding used in the mid-19th century employing a rubber solution. The method was discontinued after some years because it was discovered that rubber turns brittle with age. ]]></termNote><termCreatedDate>2026-03-30 20:40:15</termCreatedDate><relation><relationType>UF</relationType><termId>31371711</termId><termName>binding, caoutchouc</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31340839</termId><termName>adhesive binding process</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31459510</termId><termName>caoutchouc bindings</termName><termType>PT</termType></relation></term>  </Zthes>