220V Class 1 Div 2 Light Switch Aluminum Alloy
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                                            220V Class 1 Div 2 Light Switch Explosion Proof Switch For Hazardous Area Applications: A wide range of hazardous areas where ignitable vapors, dust, moisture and corrosive elements are present. Areas requiring frequent on-and-off of lights or power ......                                         
                                            crown extra lighting co. ltd
                                         
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