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发明名称
Diffusion pump and mass spectrometer
摘要
申请公布号
US2880323(A)
申请公布日期
1959.03.31
申请号
US19550513008
申请日期
1955.06.03
申请人
PHILLIPS PETROLEUM COMPANY
发明人
REINECKE MARVIN E.;BROERMAN ARTHUR B.
分类号
H01J49/04
主分类号
H01J49/04
代理机构
代理人
主权项
地址
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