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发明名称
Device for measuring the opacity of a flame
摘要
申请公布号
GB776833(A)
申请公布日期
1957.06.12
申请号
GB19540010337
申请日期
1954.04.08
申请人
INSTITUT DE RECHERCHES DE LA SIDERURGIE
发明人
分类号
G01N21/53
主分类号
G01N21/53
代理机构
代理人
主权项
地址
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