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发明名称
Device for determining the percentage of potassium in chambers containing potassium
摘要
申请公布号
US1933063(A)
申请公布日期
1933.10.31
申请号
US19290389369
申请日期
1929.08.30
申请人
WERNER KOLHORSTER
发明人
KOLHORSTER WERNER
分类号
G01N23/00;G01N23/09
主分类号
G01N23/00
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