Home / Standards / LD/T 99.13-1997 LD/T 99.13-1997 Abolished 市政工程劳动定额 维修养护工程 Standard Type LD ICS N/A CCS N/A Status Abolished Issue Date 1997-04-23 Implementation 1997-07-01 Centralized Committee 劳动部 Issuing Authority 劳动部