Home / Standards / GB/T 4947-2003 GB/T 4947-2003 Active Red phosphoric for industrial use 工业赤磷 Standard Type GBT ICS 71.060.20 CCS G13 Status 现行 Issue Date 2003-10-09 Implementation 2004-06-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A