Original standard ASTM C687-18 in PDF full version. Additional info + preview on request
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Original standard ASTM C688-22 in PDF full version. Additional info + preview on request
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Original standard ASTM C689-09 (2019) in PDF full version. Additional info + preview on request
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Original standard ASTM C690-09 (2019) in PDF full version. Additional info + preview on request
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Original standard ASTM C692-13 (2018) in PDF full version. Additional info + preview on request
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Original standard ASTM C693-93 (2019) in PDF full version. Additional info + preview on request
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