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发明名称
Canon à faisceau d'électrons
摘要
申请公布号
FR1495326(A)
申请公布日期
1967.09.15
申请号
FR19660078267
申请日期
1966.09.30
申请人
UNITED STATES STEEL CORPORATION
发明人
分类号
H01J37/065
主分类号
H01J37/065
代理机构
代理人
主权项
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