Home / Standards / GB/T 16742.1-1997 GB/T 16742.1-1997 Abolished Function representation of particle size distribution--Power-function 颗粒粒度分布的函数表征 幂函数 Standard Type GBT ICS 07.020 CCS A41 Status 废止 Issue Date 1997-03-04 Implementation 1997-09-01 Responsible Dept 国家标准委 Drafting Unit N/A