Home / Standards / GB/T 21117-2007 GB/T 21117-2007 Active Magnetostrictive liquid level meter 磁致伸缩液位计 Standard Type GBT ICS 17.040.30 CCS N12 Status 现行 Issue Date 2007-10-11 Implementation 2007-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A