Home / Standards / NY/T 2284-2012 NY/T 2284-2012 Abolished 玉米灾害田间调查及分级技术规范 Standard Type NY ICS N/A CCS N/A Status Abolished Issue Date 2012-12-24 Implementation 2013-01-01 Centralized Committee 农业农村部 Issuing Authority 农业农村部