72319779
Feb 24, 1969
Feb 17, 1970
COPPER AND ITS ALLOYS; [ BRASS, BRONZE, PHOSPHORIC BRONZE; ] IRON AND ITS ALLOYS, [ STEEL; NON-MAGNETIC ALLOYS, STAINLESS STEEL, PARAMAGNETIC ALLOYS, MAGNETIC STEEL, ] ALLOYS FROM IRON AND NICKEL, [ ALLOY FROM IRON AND CHROME, ] ALLOYS FROM IRON, NICKEL, COBALT AND CHROME; TITANIUM AND ITS ALLOYS [ ; ZIRCONIUM AND ITS ALLOYS ]
Jewelry