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... l trend, and the expert group is sorting out a large amount of patent information. We are planning to apply for patents in more than 20 countries including North America. There is no doubt that we have the advantage."
However, how to break through the blockade of the mobile phone industry giants is still a big problem.
To give a simple example 1 direct current and alternating current e
Edison was the first to master direct current. Occupy the market leading position.
...
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