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WZ- Q-T-6-J AE Carbon Dioxide Sensor Self-activation

WZ- Q-T-3-JAQ heptafluoropropane temperature-sensitive self-starter

Direct carbon dioxide fire detection tube fire extinguishing equipment fire certificate

Suspended heptafluoropropane gas fire extinguishing equipment1

Suspended heptafluoropropane fire extinguishing equipment

Hanging dry powder fire extinguishing equipment