Home / Standards / GB/T 24687-2009 GB/T 24687-2009 Active Minitype grains winnower 微型谷物风选机 Standard Type GBT ICS 65.060.99 CCS B91 Status 现行 Issue Date 2009-11-30 Implementation 2010-04-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A