Poly Changda Engineering Co., Ltd.
China
| Create a watch for Poly Changda Engineering Co., Ltd. | |
| Total IP | 4 |
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| Total IP Rank # | 402,977 |
| IP Activity Score | 1.5/5.0 5 |
| IP Activity Rank # | 204,180 |
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| Last Patent | 2026 - Bridge sliding device and a brid... | |||||||||||||||
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| First Patent | 2020 - Construction method for a cantil... | |||||||||||||||
Latest Inventions, Goods, Services
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