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Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
temperature, humidity and pressure integrated generator for temperature and humidity sen… 🛈 | 2 | 2015 |
automatic adjusting device for vertical piano frame and automatic adjusting method for a… 🛈 | 2 | 2015 |
multifunctional blackboard for russian history teaching | 1 | 2014 |
ellipsograph | 1 | 2014 |
desk special for calligraphy practicing | 1 | 2014 |
obstacle-free teaching building entrance guard machine based on embedding technology | 1 | 2014 |
folding storage box | 1 | 2014 |
foldable music keyboard | 1 | 2014 |
lockable piano keyboard | 1 | 2014 |
russian ordinal numeral training entertainment device | 1 | 2014 |