Home / Standards / GB 4404.4-1999 GB 4404.4-1999 Abolished Seeds of food crops--Buckwheat 粮食作物种子 荞麦 Standard Type GB ICS 65.020.20 CCS B21 Status 废止 Issue Date 1999-09-08 Implementation 2000-02-01 Responsible Dept 农业农村部 Drafting Unit N/A