71549658
Feb 13, 1948
Jan 2, 1951
SELF-HARDENING ORGANIC RESIN COMPOSITION, USED AS A BONDING CEMENT FOR ACID-PROOF BRICK OR TILE, AND INGREDIENTS FOR PREPARING SUCH CEMENT-NAMELY, AN ACID-SETTABLE ORGANIC RESINOUS REACTION MIXTURE, AND A SEPARATE COMPOSITION THAT INCLUDES A SETTING AGENT FOR SAID RESINOUS REACTION MIXTURE
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