<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31377672</termId><termName>submaster keys</termName><termType>PT</termType><termNote><![CDATA[ Keys capable of controlling a subordinate group of master-keyed locks, each having a different key of its own, but all in turn controlled by the main master key. ]]></termNote><termCreatedDate>2026-03-30 20:41:52</termCreatedDate><relation><relationType>UF</relationType><termId>31377673</termId><termName>keys, submaster</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31377674</termId><termName>submaster key</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31347843</termId><termName>keys</termName><termType>PT</termType></relation></term>  </Zthes>