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发明名称
FILTER GRATING MONOCHROMATOR
摘要
申请公布号
US3447873(A)
申请公布日期
1969.06.03
申请号
USD3447873
申请日期
1966.03.10
申请人
BECKMAN INSTRUMENTS INC.
发明人
JOSEPH ASHLEY;GERALD THOMAS KEAHL
分类号
G01J3/12;G01J3/18;(IPC1-7):G01J3/18
主分类号
G01J3/12
代理机构
代理人
主权项
地址
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