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Qjy 201 Machine Gun
Patent drawings of Chinese QJY-201's operating system [709x1080] : r ...
![Patent drawings of Chinese QJY-201's operating system [709x1080] : r ...](https://patentimages.storage.googleapis.com/ed/b4/9c/c30def635acd71/US10746493-20200818-D00002.png)