Original standard ASTM C491-85 in PDF full version. Additional info + preview on request
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Original standard ASTM C492-92 (2017)e1 in PDF full version. Additional info + preview on request
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Original standard ASTM C493-98 in PDF full version. Additional info + preview on request
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Original standard ASTM C494/C494M-19e1 in PDF full version. Additional info + preview on request
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Original standard ASTM C495/C495M-12 (2019) in PDF full version. Additional info + preview on request
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Original standard ASTM C496/C496M-17 in PDF full version. Additional info + preview on request
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