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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 15906-2017 |
Determination of isobutylene-isoprene rubber or polyisobutylene content in rubber 橡胶中异丁烯-异戊二烯橡胶或聚异丁烯含量的测定 |
China National Standards isobutylene |
 English PDF |
| GB/T 15906-1995 |
Rubber--Determination of isoprene-isobutylene rubber or poly isobutylene content 橡胶中丁基橡胶或聚异丁烯含量的测定 |
China National Standards isobutylene |
English PDF |
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