72300463
Jun 14, 1968
Aug 19, 1969
SHEETS, BARS, WIRE, RODS, AND TUBES FOR FURTHER MANUFACTURE IN THE INDUSTRIAL ARTS MADE FROM METALLIC MATERIALS AND FORMED BY ROLLING, SWAGGING, PUNCHING, DRAWING, AND MACHINING [ , AND FLAT METAL SHAPES FORMED BY PHOTO-ETCHING AND PHOTO-CHEMICAL MILLING ]
Jewelry