QJ 2341.4-1992 立方氮化硼硬质合金高刚度镗刀技术条件.pdf

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JIS B4111-1991 拉制丝和杆用硬质合金模.pdf

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JIS M3916-1983 矿山工具用硬质合金刀片.pdf

HB 777-1973 1~8级精度用硬质合金圆锥尾量头D6~30mm.pdf

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HB 787-1973 1~9级精度用硬质合金单头组合卡规D3~10mm.pdf

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HB 798-1974 塞规用硬质合金环毛坯d=4.6~30.8mm.pdf

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