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发明名称
Spektrograph
摘要
申请公布号
DE1622971(A1)
申请公布日期
1971.01.14
申请号
DE19681622971
申请日期
1968.03.13
申请人
HILGER & WATTS LTD.
发明人
DEMAINE,DAVID
分类号
G01J3/18
主分类号
G01J3/18
代理机构
代理人
主权项
地址
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