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发明名称
Mass spectrograph
摘要
申请公布号
US2622204(A)
申请公布日期
1952.12.16
申请号
US19460706880
申请日期
1946.10.31
申请人
SHAW ALBERT E;WILFRID RALL
发明人
SHAW ALBERT E.;RALL WILFRID
分类号
H01J49/28
主分类号
H01J49/28
代理机构
代理人
主权项
地址
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