Original standard ASTM C667-17 (2022) in PDF full version. Additional info + preview on request
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Original standard ASTM C668-98 (2014) in PDF full version. Additional info + preview on request
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Original standard ASTM C669-00 in PDF full version. Additional info + preview on request
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Original standard ASTM C67/C67M-24 in PDF full version. Additional info + preview on request
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Original standard ASTM C670-24ae1 in PDF full version. Additional info + preview on request
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Original standard ASTM C671-94 in PDF full version. Additional info + preview on request
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