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Radiation-intercepting device used for crucible electron beam smelting includes radiation intercepting cover, sliding hanging rod, vacuum smelting device, smelting chamber, water-cooling tray, vacuum pump unit and electron gun. 专利
申请日期: 2013-01-01, 公开日期: 2013-05-08
作者:  JIANG D ZOU R TAN Y WEN S SHI S
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