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发明名称
ELECTRON BEAM APPARATUS
摘要
申请公布号
CA904399(A)
申请公布日期
1972.07.04
申请号
CAD904399
申请日期
申请人
UNION CARBIDE CORPORATION
发明人
JAMES R. KING
分类号
B23K15/00;H01J37/18;(IPC1-7):B23K15/00
主分类号
B23K15/00
代理机构
代理人
主权项
地址
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