COORS SILLIMANITE (MULLITE)
Laboratory Porcelain Ware Consisting of Refractory Tubes and Vessels, Sampling Tubes, Pyrometer Tubes, Combustion Tubes, ((Crucibles, Combustion Boats, Evaporating Dishes, Casseroles, ))and Chemical Porcelain Ware
Expired · June 18, 1962 · 72147091 ·