CHENGDU HUIFENG NEW MATERIAL TECHNOLOGY CO., LTD
Patent Applications and Registrations
Patent applications and USPTO patent grants for CHENGDU HUIFENG NEW MATERIAL TECHNOLOGY CO., LTD.The latest application filed is for "method for testing cutting performance of diamond saw blade, diamond grinding wheel and diamond drill bit".
- CHENGDU HUIFENG NEW MATERIAL TECHNOLOGY CO., LTD - Chengdu, Sichuan N/A CN
Trademarks
| Patent | Date |
|---|---|
| Method for testing performance of diamond saw blade, diamond grinding wheel and diamond drill bit Grant 10,677,700 - Yin , et al. | 2020-06-09 |
| Method for testing cutting performance of diamond saw blade, diamond grinding wheel and diamond drill bit App 20180321119 - Yin; Ding ; et al. | 2018-11-08 |
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