Home / Standards / GB/T 35821-2018 GB/T 35821-2018 Active Determination of biomass content in biomass/plastic composites 生物质/塑料复合材料生物质含量测定方法 Standard Type GBT ICS 79.010 CCS B70 Status 现行 Issue Date 2018-02-06 Implementation 2018-09-01 Responsible Dept 国家林草局 Drafting Unit N/A