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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 7755.2-2019 |
Rubber, vulcanized or thermoplastic—Determination of permeability to gases—Part 2: Equal-pressure methods 硫化橡胶或热塑性橡胶 透气性的测定 第2部分：等压法 |
China National Standards gases—Part |
 English PDF |
| GB/T 7755.2-2019 |
Rubber, vulcanized or thermoplastic—Determination of permeability to gases—Part 2: Equal-pressure methods 硫化橡胶或热塑性橡胶 透气性的测定 第2部分：等压法 |
China National Standards gases—Part |
English PDF |
| GB/T 7755.1-2018 |
Rubber,vulcanized or thermoplastic—Determination of permeability to gases—Part 1:Differential-pressure methods 硫化橡胶或热塑性橡胶 透气性的测定 第1部分：压差法 |
China National Standards gases—Part |
English PDF |
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