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发明名称
Verfahren zum Erkennbarmachen von chemisch reaktionsfähigen Gasen oder Dämpfen in Luft oder andern indifferenten Gasen.
摘要
申请公布号
CH177306(A)
申请公布日期
1935.05.31
申请号
CHD177306
申请日期
1934.05.18
申请人
DRAEGER,OTTO HEINRICH,DR.
发明人
HEINRICH,DR. DRAEGER,OTTO
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