Home / Standards / GB/T 7920.15-2003 GB/T 7920.15-2003 Abolished Asphalt storage，melting and heating units--Termin-ology 沥青储存、熔化和加热装置 术语 Standard Type GBT ICS 91.220 CCS P97 Status 废止 Issue Date 2003-11-20 Implementation 2004-06-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会