var offer_details={"content":"

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(材料):碳钢   

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(工艺):精磨加工, 激光刻线   

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(用途):广泛用于机械加工测量内孔直径领域。 

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(标准):国标工业品标准   

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(规格):常规尺寸:150mm,200mm,300mm

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