<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31415232</termId><termName>luminous ceilings</termName><termType>PT</termType><termNote><![CDATA[ Ceiling-area lighting systems comprising a continuous surface of transmitting material with light sources mounted above it. ]]></termNote><termCreatedDate>2026-03-30 20:51:43</termCreatedDate><relation><relationType>UF</relationType><termId>31415233</termId><termName>ceilings, luminous</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31415234</termId><termName>luminous ceiling</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31378603</termId><termName>ceilings</termName><termType>PT</termType></relation></term>  </Zthes>