78254055
May 23, 2003
Nov 22, 2005
Hot Pressed Ceramics, Namely, Silicon Nitride, Silicon Carbide, Boron Carbide, Beryllium Oxide, Aluminum Oxide, Thorium Oxide, Titanium Diboride Used in Such Products as Hot Pressing Dies, Microwave Absorbing Ceramics, Nuclear Ceramics, Ceramic Tooling, Metallurgical Refractories, Gas Bearings, Armor and Ceramic Turbine Components and Other Technical Ceramic Products
Chemicals