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发明名称
Device for demonstrating oxygen, or for measuring its concentration, in other gases
摘要
申请公布号
GB1064209(A)
申请公布日期
1967.04.05
申请号
GB19640042587
申请日期
1964.10.19
申请人
STAMICARBON N.V.
发明人
分类号
G01N27/49
主分类号
G01N27/49
代理机构
代理人
主权项
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