做牛做马 2009/01/13
Withdrawn Standard: ASTM D1898-68(1989) Standard Practice for Sampling of Plastics (Withdrawn 1998) WITHDRAWN, NO REPLACEMENT
发哥 2009/01/14
现在的目录中已经没有了..........
派奇客 2009/01/08
ASTM D 1898 : Practice for Sampling of Plastics 我收集了不少ASTM的标准,可是就没有这个标准,非常抱歉!不能帮上你的忙! 看看哪位大侠有这个标准,Sharing with us, thanks!