1、 ASTM International 100 Barr Harbor Drive,PO Box C700 West Conshohocken,PA 19428-2959 ASTM Designation:D412 ASTM Stock Number:ADJD0412-E-PDF 9/20 ASTM International 100 Barr Harbor Drive,PO Box C700 West Conshohocken,PA 19428-2959 ASTM Designation:D412 ASTM Stock Number:ADJD0412-E-PDF 9/20 ASTM Inte
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