external vent louver
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Box to fit installation | ||
螺栓 | M6*20 M6*30 M6*40 M8*20 M8*25 M8*30 M8*35 M8*45 M10*25 M10*30 M10*35 M10*40 M12*40 M10*50 M12*60 M12... | |
铝钢筋胶带 | 铝钢筋胶带 | |
盘式调整器 | ||
coupling |
Box to fit installation | ||
螺栓 | M6*20 M6*30 M6*40 M8*20 M8*25 M8*30 M8*35 M8*45 M10*25 M10*30 M10*35 M10*40 M12*40 M10*50 M12*60 M12... | |
铝钢筋胶带 | 铝钢筋胶带 | |
盘式调整器 | ||
coupling |