Blanks for superabrasive cutting-off wheels—Dimensions—Part 1:Manually guided cutting-off in building and civil engineering
全国磨料磨具标准化技术委员会(SAC/TC 139)
GB/T 16457 的本部分规定了用于固定式或移动式切割机上，机械操纵切割的超硬材料锯片钢基体的代号、尺寸和标记。
本部分适用于切割建筑物和土木工程材料(沥青，混凝土，天然或人造石材等)用锯片基体。
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