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发明名称
Concave grating spectrographic instrument
摘要
申请公布号
US2948184(A)
申请公布日期
1960.08.09
申请号
US19570669722
申请日期
1957.07.03
申请人
GENERAL ELECTRIC COMPANY
发明人
JOHNSON PETER D.
分类号
G01J3/20
主分类号
G01J3/20
代理机构
代理人
主权项
地址
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