Home / Standards / GB/T 17458-1998 GB/T 17458-1998 Abolished Ductile iron pipes--Centrifugal cement mortar lining--Composition controls of freshly appliedmortar 球墨铸铁管 水泥砂浆离心法衬层 新拌砂浆的成分检验 Standard Type GBT ICS 23.040.10 CCS H48 Status 废止 Issue Date 1998-08-12 Implementation 1999-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A