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经营范围
发明名称
Electron-beam welding apparatus.
摘要
申请公布号
EP0211403(A1)
申请公布日期
1987.02.25
申请号
EP19860110566
申请日期
1986.07.30
申请人
LEYBOLD AKTIENGESELLSCHAFT
发明人
COLEGROVE, RUSSELL K.;LAWRENCE, GLEN S.
分类号
H01J37/248;H01J37/315;(IPC1-7):B23K15/00
主分类号
H01J37/248
代理机构
代理人
主权项
地址
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