Home / Standards / GB/T 11715-1989 GB/T 11715-1989 Active Crude oil tank washing machine 原油洗舱机 Standard Type GBT ICS 47.020.20 CCS U47 Status 现行 Issue Date 1989-11-14 Implementation 1990-07-01 Responsible Dept 国家标准委 Drafting Unit N/A