Home / Standards / GB 17440-2008 GB 17440-2008 Abolished Safety regulations for the protection of dust expolsion for grain processing, storage and transportation system 粮食加工、储运系统粉尘防爆安全规程 Standard Type GB ICS 13.230 CCS C67 Status 废止 Issue Date 2008-12-11 Implementation 2009-10-01 Responsible Dept 应急管理部 Drafting Unit 应急管理部