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发明名称
Procédé pour rendre décelables des gaz ou des vapeurs réactifs présents dans l'air ou dans d'autres gaz indifférents
摘要
申请公布号
FR774680(A)
申请公布日期
1934.12.11
申请号
FRD774680
申请日期
1934.06.04
申请人
发明人
DRAGER OTTO HEINRICH
分类号
G01N31/22
主分类号
G01N31/22
代理机构
代理人
主权项
地址
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