WINDOW SECURITY, customer service, characterized by comprising a FRONT PLATE GLASS SLIDING SAFETY upstream and downstream AHEAD OF THE FRONTAL OPENING WINDOW FROM THE POSITION OF CLOSURE OF THE SAME TO ELEVATED POSITION LEAVING OPENING pRACTICABLE, it being mOUNTED PLATE IN A LATERAL UPRIGHT IN ADDITION TO ALLOW YOUR GUIDED and including the drive mechanism raising and lowering it.
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