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2/4 Wired Photoelectronic Smoke Alarm
2017-12-29 19:43
Intoduction:This photoelectric smoke detector detects smoke by a couple of infrared diodes. The principle of detecting is granule in the smoke can refl...
Aluminium Gas Emergency Shut off Valve Gas Solenoid Valve
2017-12-07 09:12
Technical Data: Closing modes: current impulse or manual Body: Aluminium Alloy Suitable gas types: town gas Closing modes: current impulse or...