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经营范围
发明名称
ELECTROSTATIC DEVIATING SYSTEM
摘要
申请公布号
BG44355(A1)
申请公布日期
1988.11.15
申请号
BG19860076735
申请日期
1986.10.14
申请人
GRIGOROV,GRIGOR N.,BG
发明人
GRIGOROV,GRIGOR N.,BG
分类号
G02B27/00;H01J3/00;H01J3/02;H01J3/04;(IPC1-7):H01J3/00
主分类号
G02B27/00
代理机构
代理人
主权项
地址
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