San Francisco : Architect and Engineer, Inc · leaf 1
■ .J<V .I … •720.5 Ar24 164 ACCESSION 581519 NOT TO BE TAKEN FROM THE LIBRARY FORM 3427-SOOO-H-46 6 ARCHITECT ND NGINEl *M* »~l mi jflnuflRV 1946 BY A SIMPLE SCRATCH TEST you can prove that untreated concrete floors will disintegrate! However, by treating concrete floors with LAPIDO-LITH Liquid, they can be…
Architecture · Building
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