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发明名称
NONVACUUM ENVIRONMENTALLY CONTROLLED ELECTRON BEAM
摘要
申请公布号
US3585349(A)
申请公布日期
1971.06.15
申请号
USD3585349
申请日期
1963.04.15
申请人
ROHR CORP.
发明人
DAVID C. KALBFELL
分类号
H01J29/94;H01J37/30;H01J37/301;(IPC1-7):B23K9/00
主分类号
H01J29/94
代理机构
代理人
主权项
地址
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