73359820
Apr 14, 1982
Nov 29, 1983
Dental Chemical Compounds-Namely, Chemical Compounds Used to Extend the Working Time in the Porcelain Buildup on Dental Restorations, Dental Porcelain, Metal Conditioners Used to Prevent Discoloration of Porcelain Applied to Alloy Dental Crowns, Dental Glaze
Pharmaceuticals