| Issuing Authority： | 国家知识产权局 | Issue Date ： | 2018-04-27 |
| Upload Time ： | 2023-08-10 | Valid Until ： | Permanent |
Honor Qualification Co., Ltd.
LCD Elevator, Microphone, Speaker, Matrix, Central Control, Conference Host Unit
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Home > Honor Qualification Co., Ltd. > 一种麦克风用的升降器实用新型专利证书
Honor Qualification Co., Ltd. 一种麦克风用的升降器实用新型专利证书
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