<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31377280</termId><termName>dry filters</termName><termType>PT</termType><termNote><![CDATA[ Devices for removing pollutants from the air in a system by passing it through various screens and dry porous materials. ]]></termNote><termCreatedDate>2026-03-30 20:41:45</termCreatedDate><relation><relationType>UF</relationType><termId>31377281</termId><termName>dry filter</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31377282</termId><termName>dry-air filters</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31377283</termId><termName>dry-type filters</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31377284</termId><termName>filters, dry</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31377285</termId><termName>filters, dry-air</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31377286</termId><termName>filters, dry-type</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31347180</termId><termName>air filters</termName><termType>PT</termType></relation></term>  </Zthes>