Home / Standards / GB/T 22271.1-2008 GB/T 22271.1-2008 Abolished Plastics - Polyoxymethylene(POM) moulding and extrusion materials - Part 1: Designation system and basis for specifications 塑料 聚甲醛（POM）模塑和挤塑材料 第1部分：命名系统和分类基础 Standard Type GBT ICS 83.080.20 CCS G31 Status 废止 Issue Date 2008-08-04 Implementation 2009-04-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A