HB 2906-1976 缩细阳模用于圆柱头螺栓（Z 23-6 Z23-10 机床用）.pdf

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HB 2907-1976 缩细阳模用于半沉头、扁圆头、半圆头螺栓）（Z 23-6 Z23-10机床用）.pdf

HB 2905-1976 缩细阳模用于沉头螺栓.pdf

HB 2905-1976 缩细阳模 用于沉头螺栓 （z23－6 z23－10机床用）.pdf

HB 2906-1976 缩细阳模 用于圆柱头螺栓 （z23－6 z23－10机床用）.pdf

HB 2907-1976 缩细阳模 用于半沉头、扁圆头、半圆头螺栓 （z23－6 z23－10 252.pdf

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