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Patent applications and USPTO patent grants for Du; Shengwu.The latest application filed is for "a method for calibrating an error of installation of an interferometer in a multi-axis laser displacement measurement system".
Patent | Date |
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Method for calibrating an error of installation of an interferometer in a multi-axis laser displacement measurement system Grant 11,022,423 - Zhu , et al. June 1, 2 | 2021-06-01 |
A Method For Calibrating An Error Of Installation Of An Interferometer In A Multi-axis Laser Displacement Measurement System App 20210033383 - ZHU; Yu ;   et al. | 2021-02-04 |
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