<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31428297</termId><termName>photographic densitometers</termName><termType>PT</termType><termNote><![CDATA[ Instruments that measure the optical density of areas of photographic film or paper, for color saturation and to calibrate print equipment, and generally to make adjustments for quality control. ]]></termNote><termCreatedDate>2026-03-30 20:55:32</termCreatedDate><relation><relationType>UF</relationType><termId>31428298</termId><termName>photographic densitometer</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31398562</termId><termName>densitometers</termName><termType>PT</termType></relation></term>  </Zthes>