【英文标准名称】:Informationtechnology-TestmethodsformeasuringconformancetoPOSIX-Part2:Shellandutilities 【原文标准名称】:信息技术.与POSIXProduct Code:SAE AMS3880 Title:Crystallized Glass Ceramic (NONCURRENT Jan 1993) Issuing Committee:Ams P Polymeric Materials Committee Scope:This specification covers one type of crystallized glass ceramic in the form of cast and pressed shapes.