Ningbo City Zhenhai Silver-Ball Bearing Co., Ltd.
China
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| Total IP | 1 |
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| Total IP Rank # | 1,300,561 |
| IP Activity Score | 0/5.0 0 |
| IP Activity Rank # | 1,715,794 |
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| Last Patent | 2018 - Deep groove ball bearing with a ... | |||||||||||||||
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| First Patent | 2017 - Deep groove ball bearing with a ... | |||||||||||||||
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