EM-151264390004-S - Communication devices; Elevators (part of -)
EM151264390004SEM 151264390004 SEM151264390004 SEM 151264390004SEM-151264390004-S
Inventors
- Xiaofei Guo
- Yunpeng Wang
Assignees
- Otis Elevator Company
Dates
- Publication Date
- 20260309
- Application Date
- 20251205
- Priority Date
- 20250613