Home / Standards / GB/T20117-2006 GB/T20117-2006 Test method for particle size distribution of fine ceramic powders 精细陶瓷粉体颗粒尺寸分布测试 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A