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一种用于多电压等级近电报警的多功能手环

Release Time:2020-04-09  Hits:

First Author: 王宁

Disigner of the Invention: 姚睿哲,闫振宏,张龙飞

Application Number: 201910225296.X

Authorization Date: 2019-03-25

Authorization Number: ZL 201910225296.X

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