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Representative drawing
Ceiling seismic isolation and damping device
顶棚耐震及制震装置
- Category
- Patent (China)
- Application No. · Date
- 2021-11558005 · 2021.12.16
- Registration No. · Date
- CN 115961708 · 2025.09.02
- IPC
- E04B-001/98
- Claims
- 21
- Status
- Registered
