方法采用压差法和等压法分别测试食品包装常用材料PET/Al/PA/CPP,PET/Al/CPP,PET/VMPET/CPP,PET/VMCPP,PET/PETAlOx/CPP,PET-AlOx/PA/CPP,KPET/CPP,KOPP/CPP,PET/CPP ...
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