Home / Standards / GB/T 18295-2001 GB/T 18295-2001 Active Analysis method of sandstone sample of petroleum and gas reservoir by scanning electron microscope 油气储层砂岩样品 扫描电子显微镜分析方法 Standard Type GBT ICS N/A CCS D28 Status Active Issue Date 2001-01-10 Implementation 2001-08-01 Centralized Committee 国家标准委 Issuing Authority 国家质量技术监督局