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intelligent engineering, and electromechanical installation engineering, etc. Products mainly cover heptafluoropropane, high-pressure carbon dioxide, IG-541 gas automatic fire extinguishing systems
intelligent engineering, and electromechanical installation engineering, etc. Products mainly cover heptafluoropropane, high-pressure carbon dioxide, IG-541 gas automatic fire extinguishing systems
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[Abstract]:
intelligent engineering, and electromechanical installation engineering, etc. Products mainly cover heptafluoropropane, high-pressure carbon dioxide, IG-541 gas automatic fire extinguishing systems