 |
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| dimethyldiallylammonium chloride-acrylamide copolymer; polymer (dimethyl diallyl ammonium chloride-acrylamide) | |||
| 二 甲基 二烯丙基氯化铵-丙烯酰胺共聚物: 3 phrases in 1 subject |
| Water resources | 3 |
|
| |||
| dimethyldiallylammonium chloride-acrylamide copolymer; polymer (dimethyl diallyl ammonium chloride-acrylamide) | |||
| 二 甲基 二烯丙基氯化铵-丙烯酰胺共聚物: 3 phrases in 1 subject |
| Water resources | 3 |