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Metal seals for domestic pipes, sewer pipes, storm water pipes and potable water pipes pipe connections, Mechanical fastening elements of metal in the nature of mechanical repair cuffs for pipes

Seals, namely, non-metal seals for domestic pipes, sewer pipes, storm water pipes and potable water pipes pipe connections, flexible rubber connectors for pipes and concrete manholes, Non-metal sealing rings for use as connection seals, namely, internal joint seals, expansion joint fillers