Home / Standards / GB/T 17672-1999 GB/T 17672-1999 Abolished Determinations for isotopes of lead,strontium and neodymium in rock samples 岩石中铅、锶、钕同位素测定方法 Standard Type GBT ICS 27.120.30 CCS D45 Status 废止 Issue Date 1999-02-10 Implementation 1999-08-01 Responsible Dept 国家标准委 Drafting Unit N/A