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经营范围
发明名称
A measuring cell for an electrical mass filter
摘要
申请公布号
GB938667(A)
申请公布日期
1963.10.02
申请号
GB19610008749
申请日期
1961.03.09
申请人
SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT
发明人
分类号
G01L21/00;G01N27/66;H01J49/42
主分类号
G01L21/00
代理机构
代理人
主权项
地址
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