Home / Standards / JG/T 250-2009 JG/T 250-2009 Active 维勃稠度仪 Standard Type JG ICS N/A CCS N/A Status Active Issue Date 2009-04-20 Implementation 2009-12-01 Centralized Committee 住房和城乡建设部 Issuing Authority 住房和城乡建设部