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luo shi biao zhun ying du kuai de zhi zuo
Author(s): 
Pages: 27-28
Year: Issue:  2
Journal: Ordnance Material Science and Engineering

Keyword:  硬度计技术要求带状组织原材料检查片状珠光体加工痕迹自然时效马氏体组织回火温度球状珠光体;
Abstract: <正> 洛氏标准硬度块是校对硬度计的检定工具,各厂使用的绝大部分是外购的。为了满足日常工作的需要,我们自行制作了标准硬度试块。 1.洛氏标准硬度块的技术要求
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