应用于城市轨道交通的门禁系统
Release time:2025-02-19
Hits:
- Affilication of Author(s):
- 广州地铁设计研究院有限公司
- Type of Patent:
- Utility models
- Application Number:
- 201720402820.2
- Authorization number:
- ZL 2017 2 0402820.2
- Number of Inventors:
- 6
- Service Invention or Not:
- no
- Application Date:
- 2017-04-14
- Publication Date:
- 2018-04-03
- Authorization Date:
- 2018-04-03
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