精密平行垫规
► 材质:合金工具钢
► 硬度:HRC52°-58°
► 精度:H ± 0.01mm 平行度:0.005mm
► 每套20对, 共有40PCS
► 硬度:HRC52°-58°
► 精度:H ± 0.01mm 平行度:0.005mm
► 每套20对, 共有40PCS
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