Original standard ASTM C661-15 (2022) in PDF full version. Additional info + preview on request
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Original standard ASTM C662-16 (2021) in PDF full version. Additional info + preview on request
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Original standard ASTM C663-98 (2014) in PDF full version. Additional info + preview on request
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Original standard ASTM C664-24 in PDF full version. Additional info + preview on request
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Original standard ASTM C665-24 in PDF full version. Additional info + preview on request
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Original standard ASTM C666/C666M-15 in PDF full version. Additional info + preview on request
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