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雷现奇 [1]
魏宇杰 [1]
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Date Issued：2022
Document Type：专利
Author：魏宇杰
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一种应用于电弧熔炼炉的真空高效一体铜坩埚
专利
发明专利. 一种应用于电弧熔炼炉的真空高效一体铜坩埚, 专利号: ZL202110653811.1, 申请日期: 2021-06-11, 授权日期: 2022-12-23
Inventors:
雷现奇
;
魏宇杰
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Submit date：2023/01/10
