Home / Standards / GB/T 594-2008 GB/T 594-2008 Active Marine forged steel male thread stop valves 船用外螺纹锻钢截止阀 Standard Type GBT ICS 47.020.30 CCS U52 Status 现行 Issue Date 2008-02-14 Implementation 2008-09-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委