<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31307739</termId><termName>sound transmitters</termName><termType>PT</termType><termNote><![CDATA[ Telecommunications devices that produce radio frequency alternating current via an antenna. ]]></termNote><termCreatedDate>2026-03-30 20:22:49</termCreatedDate><relation><relationType>UF</relationType><termId>31307740</termId><termName>sound transmitter</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31307741</termId><termName>transmitters, sound</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31299038</termId><termName>sound devices</termName><termType>PT</termType></relation></term>  </Zthes>