Home / Standards / GB/T 30923-2014 GB/T 30923-2014 Abolished Plastics―Polypropylene materials for meltblown 塑料 聚丙烯（PP）熔喷专用料 Standard Type GBT ICS 83.080.20 CCS G32 Status 废止 Issue Date 2014-07-08 Implementation 2014-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A