Home / Standards / GB 7411-1987 GB 7411-1987 Abolished Plant quarantine rules for producing areas ofstock (superior) cotton seed 棉花原(良)种产地检疫规程 Standard Type GB ICS 65.020.20 CCS B16 Status 废止 Issue Date 1987-03-14 Implementation 1987-10-01 Responsible Dept 国家标准委 Drafting Unit N/A