Home / Standards / GB/T 22399-2008 GB/T 22399-2008 Active Photography - Processing chemicals - Specifications for Sodium hydroxide 摄影 加工用化学品 氢氧化钠 Standard Type GBT ICS 37.040.30 CCS G84 Status 现行 Issue Date 2008-09-24 Implementation 2009-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A