ASTM D493Withdrawn Standard: ASTM D493 Definitions for Commercial Varities of Bituminous and Subbituminous Coals (Withdrawn 1968)WITHDRAWN, REPLACED BY D2796 There is no PDF download available at this time, however you may purchase a copy of this document from Global Engineering Documents (Email: globalcustomerservice@ihs.com; Phone: 800-854-7179 or 303-397-7956).
| ||||||
