72443732
Dec 14, 1972
Apr 1, 1975
ABRASIVE AND POLISHING MATERIALS-NAMELY, SILICON CARBIDE GRAIN, POLISHING COMPOUNDS, TIN OXIDE, AND GRINDING WHEELS
Lubricants and FuelsLAPIDARY MACHINES, LENS GRINDERS, VARIABLE SPEED TRANSMISSIONS, MODELING TOOLS, POTTERY TURNING TOOLS, AND FETTLING KNIVES
Yarns and Threads