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经营范围
发明名称
Electron discharge apparatus
摘要
申请公布号
GB615184(A)
申请公布日期
1949.01.03
申请号
GB19460023029
申请日期
1946.08.01
申请人
VERWALTUNGSGESELLSCHAFT DER WERKZEUGMASCHINENFABRIK OERLIKON
发明人
分类号
H01J21/08
主分类号
H01J21/08
代理机构
代理人
主权项
地址
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