Home / Standards / GB 6142-1985 GB 6142-1985 Abolished Qualities grading of main cultivated grasses seeds 禾本科主要栽培牧草种子质量分级 Standard Type GB ICS 65.020.20 CCS B21 Status 废止 Issue Date 1985-06-20 Implementation 1986-03-01 Responsible Dept 农业农村部 Drafting Unit N/A