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经营范围
发明名称
Improvements in or relating to corpuscular ray apparatus
摘要
申请公布号
GB692751(A)
申请公布日期
1953.06.10
申请号
GB19510012791
申请日期
1951.05.30
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
G03B17/02;H01J37/22
主分类号
G03B17/02
代理机构
代理人
主权项
地址
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