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security door for technique parameters:1) material: cold-rolled steel2) thickness of the door leaf: 5cm/6.5mm/7cm/9cm3) frame outer sizes (h x w):a) 2, 050 x 960mmb) 2, 050 x 860mmc) 1, 970 x 960mmd) 1, 970 x 860mm4) accessories: adjustable reinforced hinges, specialty multi-point lock, handles, pee...
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