Original standard ASTM D1660-87 in PDF full version. Additional info + preview on request
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Original standard ASTM D1662-19 in PDF full version. Additional info + preview on request
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Original standard ASTM D1664-80 (1985) in PDF full version. Additional info + preview on request
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Original standard ASTM D1665-20 in PDF full version. Additional info + preview on request
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Original standard ASTM D1666-22 in PDF full version. Additional info + preview on request
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Original standard ASTM D1667-22 in PDF full version. Additional info + preview on request
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