Home / Standards / GB/T 21989-2008 GB/T 21989-2008 Active Plastics - Poly(vinyl chloride)pastes - Determination of apparent viscosity using the severs rheometer 塑料 聚氯乙烯糊 用Severs流变仪测定表观黏度 Standard Type GBT ICS 83.080.20 CCS G32 Status 现行 Issue Date 2008-06-04 Implementation 2008-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A