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经营范围
发明名称
Apparatus for forming electron beam
摘要
申请公布号
GB1140694(A)
申请公布日期
1969.01.22
申请号
GB19660018507
申请日期
1966.04.27
申请人
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人
分类号
H01J3/02;H01J33/00;H01J37/073
主分类号
H01J3/02
代理机构
代理人
主权项
地址
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