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发明名称
Perfectionnements relatifs aux manomètres ou appareils analogues
摘要
申请公布号
FR676585(A)
申请公布日期
1930.02.25
申请号
FRD676585
申请日期
1929.06.12
申请人
L'AIR LIQUIDE
发明人
分类号
G01L19/00
主分类号
G01L19/00
代理机构
代理人
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