Original standard ASTM D1972-97 (2005) in PDF full version. Additional info + preview on request
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Original standard ASTM D1973-91 in PDF full version. Additional info + preview on request
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Original standard ASTM D1974/D1974M-22 in PDF full version. Additional info + preview on request
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Original standard ASTM D1975-21 in PDF full version. Additional info + preview on request
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Original standard ASTM D1976-20 in PDF full version. Additional info + preview on request
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Original standard ASTM D1977-22 in PDF full version. Additional info + preview on request
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