<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31413138</termId><termName>heating coils</termName><termType>PT</termType><termNote><![CDATA[ Coils that convert enegry into heat through means of electrical current. ]]></termNote><termCreatedDate>2026-03-30 20:51:06</termCreatedDate><relation><relationType>UF</relationType><termId>31413139</termId><termName>air heating coils</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31413140</termId><termName>air-heating coils</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31413141</termId><termName>coils, air heating</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31413142</termId><termName>coils, air-heating</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31413143</termId><termName>coils, heating</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31413144</termId><termName>heating coil</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31413145</termId><termName>heating coils, air</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31377313</termId><termName>coils</termName><termType>PT</termType></relation></term>  </Zthes>