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经营范围
发明名称
ELECTRON BEAM PRODUCTION SYSTEM FOR ELECTRONIC DISCHARGE VESSELS
摘要
申请公布号
US3453480(A)
申请公布日期
1969.07.01
申请号
USD3453480
申请日期
1967.03.22
申请人
SIEMENS AG.
发明人
HELMUT KATZ
分类号
H01J1/20;H01J1/28;H01J3/02;H01J23/04;(IPC1-7):H01J1/20;H01J19/14
主分类号
H01J1/20
代理机构
代理人
主权项
地址
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