<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31299343</termId><termName>CSC Book Saver (TM)</termName><termType>PT</termType><termNote><![CDATA[ Carbonated magnesium propylate dissolved in heptafluoropropane used in a nonaqueous impregnation process. The manufacturer distributes the formula as a deacidifying aerosol spray for mass deacidification in paper conservation.  ]]></termNote><termCreatedDate>2026-03-30 20:20:19</termCreatedDate><relation><relationType>UF</relationType><termId>31299344</termId><termName>Book Saver, CSC, (TM)</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31299345</termId><termName>CSC Booksaver (TM)</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31297611</termId><termName>brand name materials</termName><termType>PT</termType></relation></term>  </Zthes>