Home / Standards / GB 4455-2006 GB 4455-2006 Abolished Polyethylene blown covering film for agriculture 农业用聚乙烯吹塑棚膜 Standard Type GB ICS 83.140.10 CCS G33 Status 废止 Issue Date 2006-03-08 Implementation 2006-08-01 Responsible Dept 工业和信息化部 Drafting Unit N/A