Home / Standards / GB/T 3036-1994 GB/T 3036-1994 Abolished Marine center-pivoted butterfly valves 船用中心型蝶阀 Standard Type GBT ICS 47.020.30 CCS U52 Status 废止 Issue Date 1994-06-20 Implementation 1995-04-01 Responsible Dept 国家标准委 Drafting Unit N/A