Home / Standards / GB/T 20725-2006 GB/T 20725-2006 Abolished Electron probe microanalysis guidelines for qualitative point analysis by wavelength dispersive X-ray spectrometry 波谱法定性点分析电子探针显微分析导则 Standard Type GBT ICS 71.040.99 CCS N53 Status 废止 Issue Date 2006-12-25 Implementation 2007-08-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委