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经营范围
发明名称
Klystron with reduced length
摘要
申请公布号
US4949011(A)
申请公布日期
1990.08.14
申请号
US19890330656
申请日期
1989.03.30
申请人
VARIAN ASSOCIATES, INC.
发明人
MANN, JOSEPH K.
分类号
H01J23/22;H01J23/34;H01J25/12
主分类号
H01J23/22
代理机构
代理人
主权项
地址
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