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Letter Stamped on Early SA Gas Cylinders
Does anyone know the significance of the letter stamped on the flat of early SA gas cylinders? Thanks.
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04-19-2010 04:25 PM
# ADS
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Deceased August 2nd, 2014
The consensus is that it is some sort of inspector's marking OR denotes the type of coating used on the low grade stainless steel.JR
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