72301662
Jul 1, 1968
Jun 29, 1971
ABRASIVE, SCOURING AND POLISHING MATERIAL CONSISTING OF GLASS, METAL AND OTHER MATERIALS IN PARTICULATE FORM FOR USE IN GRINDING AND POLISHING MACHINES
Lubricants and FuelsMACHINES FOR TREATING THE SURFACES OF WORK PIECES-NAMELY, GRINDING AND POLISHING MACHINES, AND PARTS OF SUCH MACHINES
Yarns and Threads