<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31473122</termId><termName>high-pressure mercury lamps</termName><termType>PT</termType><termNote><![CDATA[ Mercury lamps which come in two types: those that use just mercury, and those that use a mixture of mercury and metal halides. ]]></termNote><termCreatedDate>2026-03-30 21:07:19</termCreatedDate><relation><relationType>UF</relationType><termId>31473129</termId><termName>mercury vapor lamps, high-pressure</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31473130</termId><termName>vapor lamps, high-pressure mercury</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31473123</termId><termName>high pressure mercury lamps</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31473124</termId><termName>high-pressure mercury lamp</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31473125</termId><termName>high-pressure mercury vapor lamps</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31473126</termId><termName>lamps, high-pressure mercury</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31473127</termId><termName>lamps, high-pressure mercury vapor</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31473128</termId><termName>mercury lamps, high-pressure</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31459554</termId><termName>mercury lamps</termName><termType>PT</termType></relation></term>  </Zthes>