China Packaging material—T GB Standards Search Result

and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within 1~3 days.
2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days .


	GB/T 19789-2021 Packaging material—Test method for oxygen gas permeability characteristics of plastic film and sheeting—Coulometric sensor 包装材料塑料薄膜和薄片氧气透过性试验库仑计检测法 - 中英文版

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