Original standard ASTM C241/C241M-21 in PDF full version. Additional info + preview on request
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Original standard ASTM C242-21 in PDF full version. Additional info + preview on request
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Original standard ASTM C243-95 in PDF full version. Additional info + preview on request
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Original standard ASTM C244-52 in PDF full version. Additional info + preview on request
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Original standard ASTM C25-19 in PDF full version. Additional info + preview on request
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Original standard ASTM C251-52 in PDF full version. Additional info + preview on request
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