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2021
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Invention
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Negative-pressure sputum suction device capable of intermittently sucking sputum for the pneumolo... |
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Invention
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Convenient-to-assemble esophagus medicine applying device for the gastroenterology department.
A... |
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Invention
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Negative-pressure sputum suction device for pneumology capable of achieving intermittent sputum s... |
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Invention
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Adjustable intensity rehabilitation exercise apparatus for treatment of orthopedic trauma. Disclo... |
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Invention
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Easy-to-assemble esophagus medicine applying device for gastroenterological treatment. An easy-to... |
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Invention
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Flapping rotor device which vertically operates for ascending and horizontally operates for desce... |
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2020
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Invention
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Aircraft having double layer rotor structure. An aircraft having a double layer rotor structure, ... |
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Invention
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Double-wing flying device. The present invention relates to the technical field of aircrafts, and... |
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Invention
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Single-engine multi-rotor aerial vehicle. A single-engine multi-rotor aerial vehicle, comprising ... |
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Invention
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Kettle having water distillation function. A kettle having a water distillation function comprise... |
