Home / Standards / GB/T 22271.1-2021 GB/T 22271.1-2021 Active Plastics—Polyoxymethylene(POM) moulding and extrusion materials—Part 1:Designation system and basis for specification 塑料 聚甲醛(POM)模塑和挤出材料 第1部分:命名系统和分类基础 Standard Type GBT ICS 83.080.20 CCS G31 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A