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发明名称
Canon à électrons
摘要
申请公布号
FR1323202(A)
申请公布日期
1963.04.05
申请号
FR19620896059
申请日期
1962.04.28
申请人
发明人
SCIAKY DAVID
分类号
H01J37/02;H01J37/067;H01J37/07
主分类号
H01J37/02
代理机构
代理人
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地址
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