Home / Standards / GB/T 41758.1-2022 GB/T 41758.1-2022 Active Plastics—Polyketone (PK) moulding and extrusion materials—Part 1:Designation system and basis for specifications 塑料 聚酮（PK）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 2022-11-08 Implementation 2022-11-08 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A