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发明名称
Dispositif pour l'étude de gaz comportant un tube indicateur à action thermométrique
摘要
申请公布号
FR849953(A)
申请公布日期
1939.12.05
申请号
FRD849953
申请日期
1939.02.06
申请人
发明人
BERGER HEINZ
分类号
G01N25/46
主分类号
G01N25/46
代理机构
代理人
主权项
地址
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