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| CN-114149591-A | Polyacrylamide polymer with ternary interpenetrating network structure and preparation method thereof | 2021-12-23 |
| CN-114085052-A | Super-hydrophobic concrete based on high-stone-powder-content machine-made sand and preparation method thereof | 2021-12-22 |
| CN-114182545-A | Cationic pigment ink and preparation method and application thereof | 2021-12-22 |
| CN-114106240-A | Gelling agent for degradable gelled acid system and preparation method thereof | 2021-12-16 |
| CN-114106238-A | Zwitterionic flocculant and preparation method thereof | 2021-12-14 |
| CN-114058167-A | Nano-cellulose modified pecan shell micro powder/thermoplastic material composite 3D printing consumable and preparation method thereof | 2021-12-08 |
| CN-113943398-A | Preparation method of thickening agent for high-temperature-resistant instant acidizing fracturing fluid | 2021-12-07 |
