<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31378773</termId><termName>sheet film holders</termName><termType>PT</termType><termNote><![CDATA[ Frames with darkslides used to hold flexible photosensitized sheet film. ]]></termNote><termCreatedDate>2026-03-30 20:42:12</termCreatedDate><relation><relationType>UF</relationType><termId>31378774</termId><termName>holders, sheet film</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31378775</termId><termName>sheet film holder</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31348788</termId><termName>film holders</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31374370</termId><termName>sheet film</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31378762</termId><termName>cut film holders</termName><termType>PT</termType></relation></term>  </Zthes>