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经营范围
发明名称
Deep collimating slot
摘要
申请公布号
US2715693(A)
申请公布日期
1955.08.16
申请号
US19470746032
申请日期
1947.05.05
申请人
MACNEILLE STEPHEN M;MACKENZIE KENNETH R
发明人
MACNEILLE STEPHEN M.;MACKENZIE KENNETH R.
分类号
H01J49/14
主分类号
H01J49/14
代理机构
代理人
主权项
地址
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