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经营范围
发明名称
Improvements in or relating to electronic microscopes
摘要
申请公布号
GB653934(A)
申请公布日期
1951.05.30
申请号
GB19480018002
申请日期
1948.07.05
申请人
PHILIPS ELECTRICAL LIMITED
发明人
分类号
H01J37/18
主分类号
H01J37/18
代理机构
代理人
主权项
地址
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