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ASTM F1333消防和泡沫��站�纵室结构
日期:2012-02-08 12:11
ng to material: Class A is made of mild steel, Class B with stainless steel, and Class C with aluminium. On the other hand, Type II cabinets have only one grade, Grade 1 with right-hand door active leaf. This grade is further classified into three classes: Class A, Class B, and Class C. The parts of these cabinets shall include: frame, hinge pad, hinge, brace, door, staple, hook, latch, keeper, rivet, clip, snubber, retainer, saddle, strap, clip, washer, back, leg, bolt, and back bar. Fire and f

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