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发明名称
Beam regulator
摘要
申请公布号
US2773195(A)
申请公布日期
1956.12.04
申请号
US19480016928
申请日期
1948.03.25
申请人
LAWRENCE ERNEST O;KERNS QUENTIN A
发明人
LAWRENCE ERNEST O.;KERNS QUENTIN A.
分类号
H01J49/30
主分类号
H01J49/30
代理机构
代理人
主权项
地址
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