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发明名称
Alkali halide target with contrasting colors
摘要
申请公布号
US2418780(A)
申请公布日期
1947.04.08
申请号
US19420467173
申请日期
1942.11.28
申请人
RADIO CORPORATION
发明人
LEVERENZ HUMBOLDT W.
分类号
H01J29/14
主分类号
H01J29/14
代理机构
代理人
主权项
地址
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