China Petroleum Pipeline Bureau
China
| Total IP | 2 |
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| Total IP Rank # | 729,025 |
| IP Activity Score | 0/5.0 0 |
| IP Activity Rank # | 1,674,124 |
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| Last Patent | 2013 - Lift and rotation mechanism for ... | |||||||||||||||
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| First Patent | 2007 - An optical fiber control system ... | |||||||||||||||
Latest Inventions, Goods, Services
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