Home / Standards / GB/T 1610-2009 GB/T 1610-2009 Abolished Chromium trioxide for industrial use 工业铬酸酐 Standard Type GBT ICS 71.060.20 CCS G13 Status 废止 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