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经营范围
发明名称
Improvements in or relating to mass spectrometers
摘要
申请公布号
GB764014(A)
申请公布日期
1956.12.19
申请号
GB19540034102
申请日期
1954.11.24
申请人
NEDERLANDSE CENTRALE ORGANISATIE VOOR TOEGEPAST - NATUURWETENSCHAPPELIJK ONDERZOEK
发明人
分类号
H01J49/06
主分类号
H01J49/06
代理机构
代理人
主权项
地址
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