High-speed spray fire extinguishing explosion-proof device for place with fireworks and firecrackers
High-speed spray fire extinguishing explosion-proof device for place with fireworks and firecrackers
- CN 203,303,534 U
- Filed: 05/21/2013
- Issued: 11/27/2013
- Est. Priority Date: 05/21/2013
- Status: Active Grant
- EN CH
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- Pin
