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发明名称
Improvements in or relating to electron microscopes
摘要
申请公布号
GB720008(A)
申请公布日期
1954.12.08
申请号
GB19510003628
申请日期
1951.02.14
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
H01J37/20
主分类号
H01J37/20
代理机构
代理人
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