兑水 发表于 2009-10-2 10:43:01

ASTM D 2444-1999 用落锤法测定热塑性塑料管和配件耐冲击性...

D2444-99 Standard Test Method for Determination of the Impact Resistance of Thermoplastic Pipe and Fittings by Means of a Tup (Falling Weight)
页: [1]
查看完整版本: ASTM D 2444-1999 用落锤法测定热塑性塑料管和配件耐冲击性...