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发明名称
Briquet portatif détecteur de gaz toxiques
摘要
申请公布号
FR856063(A)
申请公布日期
1940.05.27
申请号
FRD856063
申请日期
1939.02.15
申请人
发明人
DUPONT RENE, LOUIS
分类号
G01N21/72
主分类号
G01N21/72
代理机构
代理人
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