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MSS SP.75-2019High-Strength,Wrought,Butt-Welding FittingsStandard PracticeDeveloped and Approved by theManufacturers Standardization Society of theValve and Fittings Industry,Inc.MSS127 Park Street,NESince 1924Vienna,Virginia 22180-4602Phone:(703)281-6613www.msshq.orgFax:(703)281-6671E-mail:standards@msshq.org
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