Home / Standards / GB 4455-1994 GB 4455-1994 Abolished Polyethylene blown film for agriculture 农业用聚乙烯吹塑薄膜 Standard Type GB ICS 83.140 CCS Y28 Status 废止 Issue Date 1994-07-06 Implementation 1995-02-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A