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发明名称
Toestel voor golflengte-metingen met een buigingsrooster met grote dispersie en nauwkeurige bepaling van de constante van Planck.
摘要
申请公布号
BE618165(A2)
申请公布日期
1962.09.17
申请号
BE19620618165
申请日期
1962.05.28
申请人
PANDIDAC P.V.B.A.
发明人
分类号
(IPC1-7):G09B
主分类号
(IPC1-7):G09B
代理机构
代理人
主权项
地址
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