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Keyword:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| HG/T 21556.4-1995 |
(Glass fiber reinforced Polypropylene Pall ring) 玻纤增强聚丙烯鲍尔环填料 |
China Chemical Industry
Standards Polypropylene Pall |
 English PDF |
| HG/T 21556.3-1995 |
(Polypropylene Pall ring packing) 聚丙烯鲍尔环填料 |
China Chemical Industry
Standards Polypropylene Pall |
English PDF |
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