U.S. federal trademark · Serial No. 73725515 · Reg. No. 1565432
METAL SEALING RINGS, NAMELY MECHANICAL FACE SEALS USED TO PREVENT LEAKAGE OF FLUIDS ALONG A ROTATING SHAFT, USED; IN WASTE WATER TREATMENT, IN THE PULP AND PAPER, REFINING, CHEMICAL, FOOD PROCESSING AND MINING INDUSTRIES
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