Home / Standards / GB/T 536-1988 GB/T 536-1988 Abolished Liquefied anhydrous ammonia 液体无水氨 Standard Type GBT ICS 71.060.10 CCS G21 Status 废止 Issue Date 1988-01-04 Implementation 1988-09-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A