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chengdu yuzhongmei science and tec… 🛈 | 222 |
Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
cleaning and nursing method for freeway guardrail | 2 | 2009 |
interception post of runway | 2 | 2009 |
straight barrel type concrete mixing transportation truck | 2 | 2009 |
cycle structure of straight barrel type concrete mixing transportation truck | 2 | 2009 |
novel table tennis ball | 1 | 2010 |
canopy connecting structure | 1 | 2009 |
umbrella skirt connecting structure | 1 | 2009 |
eye curtain | 1 | 2009 |
hand-held guardrail cleaner | 1 | 2009 |
interceptor for airport runway | 1 | 2009 |