Home / Standards / GB 1038-2000 GB 1038-2000 Plastics—Film and sheeting—Determination of gas transmission—Differential-pressure method 塑料薄膜和薄片气体透过性试验方法 压差法 Standard Type GB ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A