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Chapter 206 Not knowing how to lift
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Chapter 208 The most special examination room
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... words reminded him.
Utility patents are valid for only three years.
Three years later, the structure of the monster detector is no longer protected by the patent law, and anyone can refine a similar magic weapon.
If you want to commercialize, the sooner the better.
However, in a few days, it is one thing to carefully craft a handgun to be polished, and it is another matter to refine it in the assembly line.
Not to mention that he did not have a large number of ...
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