Original standard ASTM C655M-19a in PDF full version. Additional info + preview on request
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Original standard ASTM C656-17 (2023) in PDF full version. Additional info + preview on request
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Original standard ASTM C657-24 in PDF full version. Additional info + preview on request
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Original standard ASTM C658-98 (2012) in PDF full version. Additional info + preview on request
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Original standard ASTM C659-90 (2014) in PDF full version. Additional info + preview on request
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Original standard ASTM C660-24 in PDF full version. Additional info + preview on request
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