Manchao He
China
| Create a watch for Manchao He | |
| Total IP | 4 |
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| Total IP Rank # | 396,757 |
| IP Activity Score | 0.4/5.0 1 |
| IP Activity Rank # | 984,535 |
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| Last Patent | 2021 - Npr non-magnetic steel material ... | |||||||||||||||
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| First Patent | 2016 - Fractured roof 110 mining method... | |||||||||||||||
Latest Inventions, Goods, Services
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