LI, Sihan
China
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| Total IP | 1 |
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| Total IP Rank # | 1,321,547 |
| IP Activity Score | 0/5.0 0 |
| IP Activity Rank # | 1,754,556 |
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| Last Patent | 2013 - Two-stroke reciprocating piston ... | |||||||||||||||
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| First Patent | 2012 - Two-stroke reciprocating piston ... | |||||||||||||||
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