<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31471179</termId><termName>blister steel</termName><termType>PT</termType><termNote><![CDATA[ Steel made with wrought iron bars heated in charcoal for carbon impregnation. ]]></termNote><termCreatedDate>2026-03-30 21:06:48</termCreatedDate><relation><relationType>UF</relationType><termId>31471180</termId><termName>cementation steel</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31471181</termId><termName>steel, blister</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31457282</termId><termName>carbon steel</termName><termType>PT</termType></relation></term>  </Zthes>