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发明名称
Procédé décelant la présence du benzol dans l'air ou dans les mélanges de vapeur
摘要
申请公布号
FR897468(A)
申请公布日期
1945.03.22
申请号
FRD897468
申请日期
1943.08.24
申请人
发明人
DRAGER OTTO HEINRICH
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