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GB/T 42621-2023增材制造 定向能量沉积-铣削复合增材制造工艺规范最新版内容查询,英语名称Additive manufacturing—Specification for hybrid additive manufacturing with directed energy deposition and milling process,发布日期:2023-05-23,实施日期:2023-05-23,GB/T42621-2023增材制造定向能量沉积-铣削复合增材制造工艺规范国家标准最新版免费下载
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