HB 2380-1977 HB241-75、HB242-70普通和普通间隙螺纹用滚丝轮.pdf

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HB 3681-1986 普通螺纹用滚丝轮54-12型 d=2~45mm P=0.35~2mm.pdf

HB 3682-1986 普通螺纹用滚丝轮45-12型 d=2~39mm P=0.35~2mm.pdf

HB 3683-1986 普通螺纹用滚丝轮45-8型 d=2~33mm P=0.35~2mm.pdf

HB 2381-1977 HB241-75、HB242-70普通和普通间隙螺纹用滚丝轮.pdf

HB 3685-1986 普通螺纹用滚丝轮及滚丝轴技术条件.pdf

HB 4389-1989 加工钛合金、高温合金MJ螺纹螺栓用滚丝轮54型 d-3~39mm p=0.5~2mm.pdf

HB 4390-1989 加工钛合金、高温合金MJ螺纹螺栓用滚丝轮45型 d=3~8mm p=0.5~1mm.pdf

HB 4391-1989 加工钛合金、高温合金MJ螺纹螺栓用滚丝轮技术条件.pdf

HB 4633-1992 加工高强度钢MJ螺纹螺栓用滚丝轮 54-12型 d=3~39mm p=0.5~2mm.pdf

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