Another invention patent of Envision was formally authorized by the State
Update time：2015-08-26 11:51:00Number of clicks：1276second
On 2nd March, 2012, "a brushless DC motor controller" of Envision was authorized by the State, which was the next to the authorization of the invention patent of" a medical electronic acupuncture instrument ", and was the company's third invention patents authorized by the State.
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