<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31446819</termId><termName>vapor lamps</termName><termType>PT</termType><termNote><![CDATA[ Lamps which burn the self-generated gas of a volatile liquid. ]]></termNote><termCreatedDate>2026-03-30 21:04:47</termCreatedDate><relation><relationType>UF</relationType><termId>31446820</termId><termName>lamps, vapour</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31446821</termId><termName>vapour lamp</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31446822</termId><termName>fluid vapor lamps</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31446823</termId><termName>lamps, fluid vapor</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31446824</termId><termName>lamps, vapor</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31446825</termId><termName>vapor lamp</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31446826</termId><termName>vapor lamps, fluid</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31424515</termId><termName>lamps by form</termName><termType>PT</termType></relation></term>  </Zthes>