U.S. federal trademark · Serial No. 75401955 · Reg. No. 2299318
filtration bags for use in filtering entrained acid mist from anode-generated gas; in preventing anode particles from escaping the interior space of the bag; and, in preventing unwanted particles outside the bag from entering the interior space of the bag, for use in base metal mining which utilizes an electro-winnning process to produce such metals as cooper, nickel, cobalt and zinc
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