U.S. federal trademark · Serial No. 73172518 · Reg. No. 869
Thermal, Mechanical, Chemical and Other Treatments of Metals, for the Purpose of Modifying the Mechanical Characteristics and Surface States of Metals and Alloys
Common, Raw and Semi-Worked Metals and Their Alloys; Steel, Special Metals and Natural Alloys in the Form of Sheet Metal, Wire, Tubes, Bars and Forged Pieces
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