Home / Standards / GB/T 20846-2007 GB/T 20846-2007 Abolished Shipbuilding - Ventilation and air-treatment of galleys and pantries with cooking appliances 造船 厨房和具有烹调设备的配餐室的通风及空气处理 Standard Type GBT ICS 47.020.90 CCS U25 Status 废止 Issue Date 2007-03-05 Implementation 2007-07-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委