Home / Standards / GB/T 21782.13-2009 GB/T 21782.13-2009 Active Coating powders - Part 13: Particle size analysis by laser diffraction 粉末涂料 第13部分:激光衍射法分析粒度 Standard Type GBT ICS 87.040 CCS G50 Status 现行 Issue Date 2009-06-02 Implementation 2010-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A