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经营范围
发明名称
Détecteur de gaz
摘要
申请公布号
FR808277(A)
申请公布日期
1937.02.02
申请号
FRD808277
申请日期
1936.04.25
申请人
发明人
MARIE MANESCAU LOUIS
分类号
G01N5/02
主分类号
G01N5/02
代理机构
代理人
主权项
地址
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