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发明名称
MASSENSPEKTROMETER
摘要
申请公布号
DE2305557(B2)
申请公布日期
1977.05.12
申请号
DE19732305557
申请日期
1973.02.05
申请人
发明人
分类号
H01J49/26;G01N27/62;H01J49/14;(IPC1-7):H01J39/34
主分类号
H01J49/26
代理机构
代理人
主权项
地址
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