Original standard ASTM C274-07 in PDF full version. Additional info + preview on request
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Original standard ASTM C275-61 in PDF full version. Additional info + preview on request
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Original standard ASTM C277-53 in PDF full version. Additional info + preview on request
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Original standard ASTM C279-17 in PDF full version. Additional info + preview on request
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Original standard ASTM C28/C28M-10 (2020) in PDF full version. Additional info + preview on request
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Original standard ASTM C280-54 in PDF full version. Additional info + preview on request
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