Home / Standards / GB/T 19077-2016 GB/T 19077-2016 Abolished Particle size analysis—Laser diffraction methods 粒度分析 激光衍射法 Standard Type GBT ICS 19.120 CCS A28 Status 废止 Issue Date 2016-02-24 Implementation 2016-06-01 Responsible Dept 国家标准委 Drafting Unit N/A