<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31450309</termId><termName>electronic clocks</termName><termType>PT</termType><termNote><![CDATA[ Clocks driven by tiny permanent-magnet synchronous motors and electronic circuitry. ]]></termNote><termCreatedDate>2026-03-30 21:01:16</termCreatedDate><relation><relationType>UF</relationType><termId>31450310</termId><termName>clocks, electronic</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31450311</termId><termName>electronic clock</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31427914</termId><termName>clocks by movement</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31465780</termId><termName>atomic clocks</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31465783</termId><termName>digital clocks</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31465787</termId><termName>quartz clocks</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31450318</termId><termName>electric clocks</termName><termType>PT</termType></relation></term>  </Zthes>