Original standard ASTM D1668/D1668M-97a (2021) in PDF full version. Additional info + preview on request
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Original standard ASTM D1669/D1669M-07 (2019) in PDF full version. Additional info + preview on request
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Original standard ASTM D167/D167M-21a in PDF full version. Additional info + preview on request
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Original standard ASTM D1670/D1670M-11 (2018) in PDF full version. Additional info + preview on request
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Original standard ASTM D1673-94 (2004) in PDF full version. Additional info + preview on request
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Original standard ASTM D1674-67 (1977) in PDF full version. Additional info + preview on request
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