View Historical Standards for A531/A531M:
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Document Designation and Title
Year
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Item(s)
A531/A531M Standard Practice for Ultrasonic Examination of Turbine-Generator Steel Retaining Rings
91(2006)
A531/A531M Standard Practice for Ultrasonic Examination of Turbine-Generator Steel Retaining Rings
91(2001)
A531/A531M Standard Practice for Ultrasonic Examination of Turbine-Generator Steel Retaining Rings
91(1996)
