Original standard ASTM A419-61 (1968) in PDF full version. Additional info + preview on request
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Original standard ASTM A42-66 in PDF full version. Additional info + preview on request
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Original standard ASTM A420/A420M-24a in PDF full version. Additional info + preview on request
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Original standard ASTM A421/A421M-21 in PDF full version. Additional info + preview on request
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Original standard ASTM A423/A423M-19 in PDF full version. Additional info + preview on request
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Original standard ASTM A424/A424M-18 in PDF full version. Additional info + preview on request
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