xuanquy Tại 13/5/2011 16:29:51

ASTM- A 216/A216M – 93 (Reapproved 1998)-Standard Specification for Steel Castin

ASTM-A 216/A216M – 93 (Reapproved 1998)-Standard Specification for Steel Castings, Carbon, Suitable for Fusion Welding, for High-Temperature Service

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